./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-49.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-49.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ee450cdb7362593087eaa4f51cf0609baf72f213a54e3b9dfb94348c9a8e8899 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:02:20,716 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:02:20,775 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 03:02:20,780 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:02:20,780 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:02:20,800 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:02:20,801 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:02:20,801 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:02:20,801 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:02:20,801 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:02:20,801 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:02:20,802 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:02:20,802 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:02:20,802 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:02:20,802 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:02:20,802 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:02:20,802 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:02:20,802 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:02:20,802 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:02:20,802 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:02:20,802 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:02:20,802 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:02:20,802 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:02:20,803 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:02:20,803 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:02:20,803 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:02:20,803 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:02:20,803 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:02:20,803 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:02:20,803 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:02:20,803 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:02:20,803 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:02:20,803 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:02:20,803 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee450cdb7362593087eaa4f51cf0609baf72f213a54e3b9dfb94348c9a8e8899 [2024-12-06 03:02:21,046 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:02:21,054 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:02:21,057 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:02:21,058 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:02:21,058 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:02:21,059 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-49.i [2024-12-06 03:02:23,705 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/data/aadd3aba6/9c1d6659702b4689859bea1f4f741704/FLAG7966e222c [2024-12-06 03:02:23,889 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:02:23,890 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-49.i [2024-12-06 03:02:23,896 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/data/aadd3aba6/9c1d6659702b4689859bea1f4f741704/FLAG7966e222c [2024-12-06 03:02:23,914 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/data/aadd3aba6/9c1d6659702b4689859bea1f4f741704 [2024-12-06 03:02:23,916 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:02:23,917 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:02:23,918 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:02:23,918 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:02:23,921 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:02:23,922 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:02:23" (1/1) ... [2024-12-06 03:02:23,923 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24569da9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:02:23, skipping insertion in model container [2024-12-06 03:02:23,923 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:02:23" (1/1) ... [2024-12-06 03:02:23,935 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:02:24,041 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-49.i[915,928] [2024-12-06 03:02:24,067 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:02:24,076 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:02:24,085 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-49.i[915,928] [2024-12-06 03:02:24,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:02:24,108 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:02:24,108 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:02:24 WrapperNode [2024-12-06 03:02:24,109 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:02:24,109 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:02:24,110 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:02:24,110 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:02:24,114 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:02:24" (1/1) ... [2024-12-06 03:02:24,120 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:02:24" (1/1) ... [2024-12-06 03:02:24,137 INFO L138 Inliner]: procedures = 26, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 72 [2024-12-06 03:02:24,137 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:02:24,138 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:02:24,138 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:02:24,138 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:02:24,144 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:02:24" (1/1) ... [2024-12-06 03:02:24,144 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:02:24" (1/1) ... [2024-12-06 03:02:24,145 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:02:24" (1/1) ... [2024-12-06 03:02:24,146 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:02:24" (1/1) ... [2024-12-06 03:02:24,149 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:02:24" (1/1) ... [2024-12-06 03:02:24,150 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:02:24" (1/1) ... [2024-12-06 03:02:24,152 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:02:24" (1/1) ... [2024-12-06 03:02:24,153 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:02:24" (1/1) ... [2024-12-06 03:02:24,154 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:02:24" (1/1) ... [2024-12-06 03:02:24,155 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:02:24,156 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:02:24,156 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:02:24,156 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:02:24,157 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:02:24" (1/1) ... [2024-12-06 03:02:24,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:02:24,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:02:24,186 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:02:24,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:02:24,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:02:24,211 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 03:02:24,211 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 03:02:24,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:02:24,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:02:24,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:02:24,258 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:02:24,260 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:02:24,381 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-12-06 03:02:24,381 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:02:24,443 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:02:24,443 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 03:02:24,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:02:24 BoogieIcfgContainer [2024-12-06 03:02:24,443 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:02:24,444 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:02:24,444 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:02:24,452 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:02:24,452 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:02:24" (1/1) ... [2024-12-06 03:02:24,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:02:24,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:02:24,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2024-12-06 03:02:24,509 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2024-12-06 03:02:24,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:02:24,514 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:02:24,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:02:24,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:02:24,622 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:02:24,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:02:24,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:02:24,725 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:02:24,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:02:24,772 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 03:02:24,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:02:24 ImpRootNode [2024-12-06 03:02:24,801 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:02:24,802 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:02:24,802 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:02:24,803 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:02:24,803 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:02:24" (3/4) ... [2024-12-06 03:02:24,805 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 03:02:24,806 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:02:24,807 INFO L158 Benchmark]: Toolchain (without parser) took 889.87ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 68.2MB in the end (delta: 49.1MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-12-06 03:02:24,808 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:02:24,808 INFO L158 Benchmark]: CACSL2BoogieTranslator took 190.70ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 105.5MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:02:24,808 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.94ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 104.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:02:24,809 INFO L158 Benchmark]: Boogie Preprocessor took 17.09ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 103.3MB in the end (delta: 843.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:02:24,809 INFO L158 Benchmark]: RCFGBuilder took 287.76ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 87.8MB in the end (delta: 15.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:02:24,810 INFO L158 Benchmark]: CodeCheck took 357.60ms. Allocated memory is still 142.6MB. Free memory was 87.8MB in the beginning and 68.4MB in the end (delta: 19.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 03:02:24,810 INFO L158 Benchmark]: Witness Printer took 4.15ms. Allocated memory is still 142.6MB. Free memory was 68.4MB in the beginning and 68.2MB in the end (delta: 191.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:02:24,812 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 22 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 54, overapproximation of someBinaryFLOATComparisonOperation at line 35, overapproximation of someBinaryFLOATComparisonOperation at line 56, overapproximation of someUnaryFLOAToperation at line 35. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 0.25; [L23] signed long int var_1_2 = 64; [L24] signed long int var_1_3 = -1; [L25] signed long int var_1_4 = -256; [L26] float var_1_5 = 3.5; [L27] float var_1_6 = 32.5; [L65] isInitial = 1 [L66] FCALL initially() [L68] FCALL updateLastVariables() [L69] CALL updateVariables() [L44] var_1_2 = __VERIFIER_nondet_long() [L45] CALL assume_abort_if_not(var_1_2 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_1=1/4, var_1_2=0, var_1_3=-1, var_1_4=-256, var_1_5=7/2, var_1_6=65/2] [L20] COND FALSE !(!cond) [L45] RET assume_abort_if_not(var_1_2 >= -2147483648) VAL [isInitial=1, var_1_1=1/4, var_1_2=0, var_1_3=-1, var_1_4=-256, var_1_5=7/2, var_1_6=65/2] [L46] CALL assume_abort_if_not(var_1_2 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_1=1/4, var_1_2=0, var_1_3=-1, var_1_4=-256, var_1_5=7/2, var_1_6=65/2] [L20] COND FALSE !(!cond) [L46] RET assume_abort_if_not(var_1_2 <= 2147483647) VAL [isInitial=1, var_1_1=1/4, var_1_2=0, var_1_3=-1, var_1_4=-256, var_1_5=7/2, var_1_6=65/2] [L47] var_1_3 = __VERIFIER_nondet_long() [L48] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_1=1/4, var_1_2=0, var_1_3=0, var_1_4=-256, var_1_5=7/2, var_1_6=65/2] [L20] COND FALSE !(!cond) [L48] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, var_1_1=1/4, var_1_2=0, var_1_3=0, var_1_4=-256, var_1_5=7/2, var_1_6=65/2] [L49] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_1=1/4, var_1_2=0, var_1_3=0, var_1_4=-256, var_1_5=7/2, var_1_6=65/2] [L20] COND FALSE !(!cond) [L49] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_1=1/4, var_1_2=0, var_1_3=0, var_1_4=-256, var_1_5=7/2, var_1_6=65/2] [L50] var_1_4 = __VERIFIER_nondet_long() [L51] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_1=1/4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=7/2, var_1_6=65/2] [L20] COND FALSE !(!cond) [L51] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, var_1_1=1/4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=7/2, var_1_6=65/2] [L52] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_1=1/4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=7/2, var_1_6=65/2] [L20] COND FALSE !(!cond) [L52] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_1=1/4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=7/2, var_1_6=65/2] [L53] var_1_5 = __VERIFIER_nondet_float() [L54] CALL assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=1/4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_6=65/2] [L20] COND FALSE !(!cond) [L54] RET assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=1/4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_6=65/2] [L55] var_1_6 = __VERIFIER_nondet_float() [L56] CALL assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=1/4, var_1_2=0, var_1_3=0, var_1_4=0] [L20] COND FALSE !(!cond) [L56] RET assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=1/4, var_1_2=0, var_1_3=0, var_1_4=0] [L69] RET updateVariables() [L70] CALL step() [L31] signed long int stepLocal_1 = var_1_2; [L32] signed long int stepLocal_0 = var_1_2; [L33] COND TRUE -100000 <= stepLocal_1 [L34] COND TRUE stepLocal_0 <= (var_1_3 + var_1_4) [L35] var_1_1 = ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))) [L70] RET step() [L71] CALL, EXPR property() [L61-L62] return (-100000 <= var_1_2) ? ((var_1_2 <= (var_1_3 + var_1_4)) ? (var_1_1 == ((float) ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))))) : (var_1_1 == ((float) ((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6)))))) : (var_1_1 == ((float) var_1_6)) ; [L71] RET, EXPR property() [L71] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_1=2, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0] [L19] reach_error() VAL [isInitial=1, var_1_1=2, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 190.70ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 105.5MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.94ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 104.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.09ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 103.3MB in the end (delta: 843.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 287.76ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 87.8MB in the end (delta: 15.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 357.60ms. Allocated memory is still 142.6MB. Free memory was 87.8MB in the beginning and 68.4MB in the end (delta: 19.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 4.15ms. Allocated memory is still 142.6MB. Free memory was 68.4MB in the beginning and 68.2MB in the end (delta: 191.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 03:02:24,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-49.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ee450cdb7362593087eaa4f51cf0609baf72f213a54e3b9dfb94348c9a8e8899 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:02:26,742 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:02:26,816 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 03:02:26,843 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:02:26,844 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:02:26,844 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:02:26,844 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:02:26,844 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:02:26,844 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:02:26,845 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:02:26,845 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:02:26,845 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:02:26,845 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:02:26,845 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:02:26,845 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:02:26,845 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:02:26,845 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 03:02:26,845 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 03:02:26,845 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 03:02:26,846 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:02:26,846 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:02:26,846 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:02:26,846 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:02:26,846 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:02:26,846 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:02:26,846 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:02:26,846 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:02:26,846 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 03:02:26,846 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:02:26,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:02:26,847 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:02:26,847 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:02:26,847 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:02:26,847 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 03:02:26,847 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:02:26,847 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 03:02:26,847 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee450cdb7362593087eaa4f51cf0609baf72f213a54e3b9dfb94348c9a8e8899 [2024-12-06 03:02:27,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:02:27,099 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:02:27,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:02:27,102 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:02:27,103 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:02:27,104 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-49.i [2024-12-06 03:02:29,759 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/data/75e9509f2/a15ffc483f064b7dac353efd04131e55/FLAG15bdccebd [2024-12-06 03:02:29,942 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:02:29,942 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-49.i [2024-12-06 03:02:29,950 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/data/75e9509f2/a15ffc483f064b7dac353efd04131e55/FLAG15bdccebd [2024-12-06 03:02:30,303 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/data/75e9509f2/a15ffc483f064b7dac353efd04131e55 [2024-12-06 03:02:30,304 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:02:30,306 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:02:30,307 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:02:30,307 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:02:30,310 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:02:30,311 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:02:30" (1/1) ... [2024-12-06 03:02:30,311 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20b46b1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:02:30, skipping insertion in model container [2024-12-06 03:02:30,311 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:02:30" (1/1) ... [2024-12-06 03:02:30,322 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:02:30,424 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-49.i[915,928] [2024-12-06 03:02:30,448 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:02:30,460 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:02:30,468 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-49.i[915,928] [2024-12-06 03:02:30,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:02:30,491 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:02:30,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:02:30 WrapperNode [2024-12-06 03:02:30,492 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:02:30,492 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:02:30,493 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:02:30,493 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:02:30,497 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:02:30" (1/1) ... [2024-12-06 03:02:30,503 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:02:30" (1/1) ... [2024-12-06 03:02:30,515 INFO L138 Inliner]: procedures = 27, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 69 [2024-12-06 03:02:30,516 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:02:30,516 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:02:30,516 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:02:30,516 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:02:30,523 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:02:30" (1/1) ... [2024-12-06 03:02:30,523 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:02:30" (1/1) ... [2024-12-06 03:02:30,525 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:02:30" (1/1) ... [2024-12-06 03:02:30,525 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:02:30" (1/1) ... [2024-12-06 03:02:30,532 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:02:30" (1/1) ... [2024-12-06 03:02:30,533 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:02:30" (1/1) ... [2024-12-06 03:02:30,536 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:02:30" (1/1) ... [2024-12-06 03:02:30,537 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:02:30" (1/1) ... [2024-12-06 03:02:30,538 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:02:30" (1/1) ... [2024-12-06 03:02:30,540 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:02:30,541 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:02:30,541 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:02:30,541 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:02:30,541 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:02:30" (1/1) ... [2024-12-06 03:02:30,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:02:30,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:02:30,569 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:02:30,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:02:30,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:02:30,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 03:02:30,590 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 03:02:30,590 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 03:02:30,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:02:30,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:02:30,644 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:02:30,646 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:02:30,779 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-12-06 03:02:30,779 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:02:30,834 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:02:30,835 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 03:02:30,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:02:30 BoogieIcfgContainer [2024-12-06 03:02:30,835 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:02:30,836 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:02:30,836 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:02:30,854 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:02:30,855 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:02:30" (1/1) ... [2024-12-06 03:02:30,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:02:30,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:02:30,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2024-12-06 03:02:30,896 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2024-12-06 03:02:30,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:02:30,900 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:02:30,901 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:02:30,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:02:30,902 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:02:30,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 03:02:31,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:02:31,131 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:02:31,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:02:31,172 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:02:31,176 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:02:36,384 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:02:36,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 03:02:36,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:02:36,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 38 states and 58 transitions. [2024-12-06 03:02:36,836 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 58 transitions. [2024-12-06 03:02:36,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:02:36,837 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:02:36,837 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:02:36,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:02:36,839 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:02:36,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 03:02:37,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:02:37,022 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:02:37,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:02:37,064 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:02:37,066 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:02:39,775 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:02:39,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 03:02:39,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:02:39,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 38 states and 58 transitions. [2024-12-06 03:02:39,816 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 58 transitions. [2024-12-06 03:02:39,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:02:39,816 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:02:39,817 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:02:39,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:02:39,818 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:02:39,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 03:02:40,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:02:40,003 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:02:40,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:02:40,028 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:02:40,030 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:02:42,752 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:02:42,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 03:02:42,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:02:42,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 38 states and 58 transitions. [2024-12-06 03:02:42,912 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 58 transitions. [2024-12-06 03:02:42,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:02:42,913 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:02:42,913 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:02:42,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:02:42,915 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:02:42,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 03:02:43,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:02:43,115 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:02:43,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:02:43,145 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:02:43,146 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:02:45,787 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:02:45,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 03:02:45,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:02:45,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 38 states and 58 transitions. [2024-12-06 03:02:45,800 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 58 transitions. [2024-12-06 03:02:45,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:02:45,801 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:02:45,801 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:02:45,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:02:45,803 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:02:45,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 03:02:45,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:02:45,985 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:02:46,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:02:46,007 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:02:46,009 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:02:48,579 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:02:48,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 03:02:48,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:02:48,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 38 states and 58 transitions. [2024-12-06 03:02:48,592 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 58 transitions. [2024-12-06 03:02:48,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:02:48,593 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:02:48,593 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:02:48,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:02:48,594 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:02:48,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 03:02:48,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:02:48,778 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:02:48,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:02:48,810 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:02:48,811 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:02:52,786 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:02:52,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 03:02:53,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:02:53,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 60 transitions. [2024-12-06 03:02:53,468 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 60 transitions. [2024-12-06 03:02:53,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:02:53,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:02:53,469 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:02:53,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:02:53,470 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:02:53,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 03:02:53,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:02:53,659 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:02:53,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:02:53,690 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:02:53,691 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:02:56,260 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:02:56,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 03:02:56,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:02:56,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 60 transitions. [2024-12-06 03:02:56,272 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 60 transitions. [2024-12-06 03:02:56,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:02:56,273 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:02:56,273 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:02:56,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:02:56,275 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:02:56,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 03:02:56,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:02:56,493 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:02:56,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:02:56,516 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:02:56,517 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:02:59,122 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:02:59,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 03:02:59,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:02:59,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 60 transitions. [2024-12-06 03:02:59,137 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 60 transitions. [2024-12-06 03:02:59,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:02:59,137 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:02:59,137 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:02:59,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:02:59,139 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:02:59,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 03:02:59,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:02:59,313 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:02:59,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:02:59,340 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:02:59,341 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:03:01,915 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:03:01,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 03:03:01,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:03:01,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 60 transitions. [2024-12-06 03:03:01,928 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 60 transitions. [2024-12-06 03:03:01,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:03:01,929 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:03:01,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:03:01,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:03:01,931 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:03:01,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 03:03:02,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:03:02,103 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:03:02,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:03:02,126 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:03:02,127 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:03:05,818 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:03:05,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 03:03:06,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:03:06,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:03:06,692 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:03:06,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:03:06,692 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:03:06,693 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:03:06,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:03:06,694 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:03:06,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 03:03:06,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:03:06,880 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:03:06,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:03:06,908 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:03:06,909 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:03:09,539 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:03:09,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 03:03:09,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:03:09,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:03:09,547 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:03:09,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:03:09,548 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:03:09,548 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:03:09,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:03:09,549 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:03:09,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 03:03:09,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:03:09,727 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:03:09,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:03:09,747 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:03:09,748 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:03:13,511 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:03:13,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 03:03:13,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:03:13,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:03:13,518 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:03:13,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:03:13,519 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:03:13,519 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:03:13,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:03:13,520 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:03:13,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 03:03:13,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:03:13,701 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:03:13,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:03:13,725 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:03:13,726 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:03:16,187 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:03:16,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 03:03:16,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:03:16,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:03:16,195 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:03:16,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:03:16,195 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:03:16,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:03:16,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:03:16,197 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:03:16,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 03:03:16,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:03:16,381 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:03:16,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:03:16,408 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:03:16,409 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:03:18,932 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:03:18,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 03:03:18,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:03:18,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:03:18,942 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:03:18,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:03:18,942 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:03:18,942 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:03:18,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:03:18,944 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:03:18,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 03:03:19,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:03:19,120 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:03:19,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:03:19,147 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:03:19,148 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:03:21,803 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:03:21,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 03:03:21,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:03:21,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:03:21,811 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:03:21,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:03:21,812 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:03:21,812 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:03:21,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:03:21,813 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:03:21,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 03:03:22,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:03:22,014 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:03:22,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:03:22,044 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:03:22,045 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:03:24,665 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:03:24,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-06 03:03:24,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:03:24,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:03:24,674 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:03:24,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:03:24,675 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:03:24,675 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:03:24,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:03:24,677 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:03:24,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 03:03:24,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:03:24,886 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:03:24,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:03:24,916 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:03:24,917 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:03:28,533 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:03:28,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-06 03:03:28,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:03:28,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:03:28,541 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:03:28,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:03:28,542 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:03:28,542 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:03:28,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:03:28,543 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:03:28,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-06 03:03:28,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:03:28,731 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:03:28,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:03:28,756 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:03:28,756 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:03:32,421 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:03:32,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-06 03:03:32,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:03:32,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:03:32,428 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:03:32,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:03:32,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:03:32,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:03:32,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:03:32,430 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:03:32,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-06 03:03:32,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:03:32,623 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:03:32,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:03:32,651 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:03:32,652 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:03:35,236 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:03:35,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-06 03:03:35,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:03:35,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:03:35,256 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:03:35,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:03:35,256 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:03:35,256 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:03:35,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:03:35,258 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:03:35,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-06 03:03:35,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:03:35,435 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:03:35,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:03:35,463 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:03:35,464 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:03:38,148 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:03:38,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-06 03:03:38,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:03:38,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:03:38,156 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:03:38,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:03:38,157 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:03:38,157 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:03:38,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:03:38,159 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:03:38,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-06 03:03:38,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:03:38,333 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:03:38,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:03:38,357 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:03:38,358 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:03:40,956 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:03:40,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-06 03:03:40,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:03:40,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:03:40,967 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:03:40,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:03:40,967 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:03:40,967 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:03:40,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:03:40,969 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:03:40,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-06 03:03:41,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:03:41,152 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:03:41,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:03:41,175 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:03:41,176 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:03:43,826 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:03:43,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-06 03:03:43,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:03:43,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:03:43,834 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:03:43,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:03:43,835 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:03:43,835 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:03:43,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:03:43,839 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:03:43,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-06 03:03:44,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:03:44,022 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:03:44,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:03:44,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:03:44,051 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:03:47,756 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:03:47,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-06 03:03:47,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:03:47,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:03:47,762 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:03:47,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:03:47,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:03:47,762 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:03:47,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:03:47,764 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:03:47,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-06 03:03:47,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:03:47,950 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:03:47,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:03:47,976 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:03:47,977 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:03:50,515 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:03:50,517 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-06 03:03:50,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:03:50,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:03:50,522 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:03:50,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:03:50,522 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:03:50,522 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:03:50,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:03:50,524 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:03:50,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-06 03:03:50,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:03:50,707 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:03:50,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:03:50,733 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:03:50,734 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:03:53,258 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:03:53,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-06 03:03:53,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:03:53,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:03:53,267 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:03:53,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:03:53,268 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:03:53,268 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:03:53,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:03:53,270 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:03:53,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-06 03:03:53,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:03:53,448 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:03:53,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:03:53,476 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:03:53,477 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:03:56,035 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:03:56,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-06 03:03:56,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:03:56,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:03:56,042 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:03:56,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:03:56,043 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:03:56,043 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:03:56,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:03:56,044 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:03:56,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-06 03:03:56,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:03:56,226 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:03:56,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:03:56,262 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:03:56,263 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:03:58,831 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:03:58,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-06 03:03:58,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:03:58,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:03:58,838 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:03:58,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:03:58,838 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:03:58,839 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:03:58,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:03:58,840 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:03:58,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-06 03:03:59,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:03:59,027 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:03:59,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:03:59,055 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:03:59,056 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:04:01,610 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:04:01,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-06 03:04:01,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:04:01,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:04:01,617 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:04:01,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:04:01,618 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:04:01,618 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:04:01,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:04:01,619 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:04:01,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-06 03:04:01,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:04:01,802 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:04:01,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:04:01,824 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:04:01,825 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:04:05,493 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:04:05,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-12-06 03:04:05,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:04:05,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:04:05,499 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:04:05,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:04:05,500 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:04:05,500 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:04:05,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:04:05,502 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:04:05,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-06 03:04:05,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:04:05,681 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:04:05,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:04:05,709 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:04:05,710 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:04:08,208 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:04:08,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-12-06 03:04:08,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:04:08,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:04:08,215 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:04:08,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:04:08,215 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:04:08,215 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:04:08,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:04:08,217 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:04:08,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-06 03:04:08,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:04:08,388 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:04:08,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:04:08,412 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:04:08,413 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:04:12,237 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:04:12,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-12-06 03:04:12,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:04:12,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:04:12,243 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:04:12,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:04:12,243 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:04:12,243 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:04:12,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:04:12,245 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:04:12,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-12-06 03:04:12,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:04:12,422 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:04:12,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:04:12,447 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:04:12,448 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:04:15,145 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:04:15,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-12-06 03:04:15,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:04:15,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:04:15,155 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:04:15,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:04:15,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:04:15,155 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:04:15,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:04:15,157 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:04:15,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-12-06 03:04:15,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:04:15,331 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:04:15,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:04:15,358 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:04:15,359 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:04:18,029 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:04:18,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2024-12-06 03:04:18,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:04:18,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:04:18,039 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:04:18,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:04:18,039 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:04:18,039 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:04:18,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:04:18,040 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:04:18,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-12-06 03:04:18,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:04:18,222 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:04:18,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:04:18,249 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:04:18,250 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:04:20,794 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:04:20,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-12-06 03:04:20,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:04:20,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:04:20,804 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:04:20,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:04:20,804 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:04:20,804 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:04:20,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:04:20,806 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:04:20,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-12-06 03:04:20,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:04:20,976 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:04:21,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:04:21,002 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:04:21,003 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:04:23,589 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:04:23,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-12-06 03:04:23,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:04:23,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:04:23,595 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:04:23,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:04:23,596 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:04:23,596 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:04:23,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:04:23,597 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:04:23,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-12-06 03:04:23,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:04:23,779 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:04:23,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:04:23,830 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:04:23,831 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:04:26,489 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:04:26,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-12-06 03:04:26,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:04:26,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:04:26,496 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:04:26,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:04:26,496 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:04:26,496 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:04:26,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:04:26,498 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:04:26,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-12-06 03:04:26,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:04:26,680 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:04:26,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:04:26,703 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:04:26,705 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:04:29,400 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:04:29,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-12-06 03:04:29,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:04:29,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:04:29,407 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:04:29,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:04:29,408 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:04:29,408 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:04:29,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:04:29,409 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:04:29,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-12-06 03:04:29,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:04:29,594 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:04:29,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:04:29,622 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:04:29,623 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:04:32,146 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:04:32,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-12-06 03:04:32,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:04:32,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:04:32,153 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:04:32,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:04:32,154 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:04:32,154 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:04:32,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:04:32,155 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:04:32,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-12-06 03:04:32,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:04:32,332 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:04:32,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:04:32,362 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:04:32,362 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:04:34,938 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:04:34,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-12-06 03:04:34,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:04:34,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:04:34,945 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:04:34,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:04:34,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:04:34,945 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:04:34,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:04:34,947 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:04:34,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-12-06 03:04:35,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:04:35,123 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:04:35,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:04:35,149 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:04:35,150 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:04:37,668 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:04:37,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-12-06 03:04:37,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:04:37,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:04:37,675 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:04:37,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:04:37,676 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:04:37,676 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:04:37,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:04:37,677 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:04:37,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-12-06 03:04:37,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:04:37,853 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:04:37,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:04:37,885 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:04:37,886 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:04:40,391 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:04:40,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-12-06 03:04:40,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:04:40,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:04:40,398 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:04:40,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:04:40,398 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:04:40,398 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:04:40,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:04:40,400 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:04:40,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-12-06 03:04:40,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:04:40,588 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:04:40,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:04:40,617 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:04:40,618 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:04:43,199 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:04:43,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-12-06 03:04:43,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:04:43,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:04:43,207 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:04:43,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:04:43,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:04:43,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:04:43,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:04:43,209 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:04:43,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-12-06 03:04:43,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:04:43,389 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:04:43,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:04:43,415 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:04:43,416 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:04:45,954 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:04:45,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-12-06 03:04:45,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:04:45,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:04:45,961 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:04:45,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:04:45,961 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:04:45,961 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:04:45,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:04:45,962 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:04:45,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-12-06 03:04:46,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:04:46,142 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:04:46,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:04:46,166 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:04:46,167 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:04:48,700 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:04:48,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-12-06 03:04:48,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:04:48,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:04:48,707 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:04:48,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:04:48,707 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:04:48,707 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:04:48,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:04:48,709 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:04:48,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-12-06 03:04:48,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:04:48,885 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:04:48,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:04:48,910 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:04:48,911 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:04:51,496 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:04:51,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-12-06 03:04:51,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:04:51,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:04:51,502 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:04:51,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:04:51,502 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:04:51,502 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:04:51,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:04:51,504 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:04:51,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-12-06 03:04:51,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:04:51,686 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:04:51,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:04:51,733 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:04:51,734 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:04:55,530 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:04:55,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-12-06 03:04:55,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:04:55,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:04:55,536 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:04:55,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:04:55,536 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:04:55,536 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:04:55,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:04:55,538 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:04:55,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-12-06 03:04:55,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:04:55,721 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:04:55,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:04:55,748 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:04:55,749 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:04:58,398 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:04:58,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-12-06 03:04:58,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:04:58,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:04:58,405 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:04:58,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:04:58,405 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:04:58,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:04:58,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:04:58,407 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:04:58,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-12-06 03:04:58,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:04:58,583 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:04:58,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:04:58,608 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:04:58,608 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:05:01,082 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:05:01,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-12-06 03:05:01,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:05:01,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:05:01,089 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:05:01,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:05:01,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:05:01,089 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:05:01,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:05:01,091 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:05:01,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-12-06 03:05:01,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:01,273 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:05:01,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:01,312 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:05:01,313 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:05:05,065 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:05:05,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-12-06 03:05:05,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:05:05,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:05:05,072 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:05:05,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:05:05,072 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:05:05,072 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:05:05,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:05:05,074 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:05:05,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-12-06 03:05:05,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:05,251 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:05:05,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:05,278 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:05:05,279 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:05:07,823 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:05:07,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-12-06 03:05:07,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:05:07,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:05:07,830 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:05:07,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:05:07,830 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:05:07,830 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:05:07,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:05:07,832 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:05:07,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-12-06 03:05:08,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:08,021 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:05:08,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:08,049 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:05:08,050 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:05:11,705 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:05:11,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-12-06 03:05:11,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:05:11,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:05:11,712 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:05:11,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:05:11,712 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:05:11,713 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:05:11,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:05:11,714 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:05:11,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-12-06 03:05:11,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:11,896 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:05:11,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:11,926 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:05:11,927 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:05:14,572 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:05:14,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Forceful destruction successful, exit code 0 [2024-12-06 03:05:14,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:05:14,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:05:14,579 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:05:14,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:05:14,579 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:05:14,579 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:05:14,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:05:14,580 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:05:14,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-12-06 03:05:14,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:14,765 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:05:14,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:14,791 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:05:14,792 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:05:17,436 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:05:17,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2024-12-06 03:05:17,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:05:17,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:05:17,442 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:05:17,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:05:17,443 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:05:17,443 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:05:17,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:05:17,444 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:05:17,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-12-06 03:05:17,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:17,631 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:05:17,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:17,652 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:05:17,653 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:05:20,216 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:05:20,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-12-06 03:05:20,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:05:20,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:05:20,223 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:05:20,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:05:20,223 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:05:20,223 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:05:20,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:05:20,225 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:05:20,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-12-06 03:05:20,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:20,400 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:05:20,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:20,428 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:05:20,429 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:05:23,078 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:05:23,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2024-12-06 03:05:23,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:05:23,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:05:23,087 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:05:23,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:05:23,087 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:05:23,087 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:05:23,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:05:23,089 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:05:23,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-12-06 03:05:23,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:23,277 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:05:23,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:23,311 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:05:23,312 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:05:25,901 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:05:25,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-12-06 03:05:25,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:05:25,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:05:25,908 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:05:25,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:05:25,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:05:25,909 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:05:25,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:05:25,910 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:05:25,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-12-06 03:05:26,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:26,079 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:05:26,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:26,106 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:05:26,107 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:05:28,769 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:05:28,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-12-06 03:05:28,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:05:28,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:05:28,775 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:05:28,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:05:28,775 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:05:28,775 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:05:28,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:05:28,777 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:05:28,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-12-06 03:05:28,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:28,956 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:05:28,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:28,977 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:05:28,978 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:05:31,548 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:05:31,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2024-12-06 03:05:31,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:05:31,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:05:31,555 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:05:31,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:05:31,555 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:05:31,555 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:05:31,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:05:31,557 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:05:31,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-12-06 03:05:31,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:31,737 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:05:31,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:31,766 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:05:31,766 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:05:35,589 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:05:35,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2024-12-06 03:05:35,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:05:35,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:05:35,596 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:05:35,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:05:35,596 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:05:35,596 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:05:35,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:05:35,598 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:05:35,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-12-06 03:05:35,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:35,783 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:05:35,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:35,823 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:05:35,824 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:05:38,359 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:05:38,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2024-12-06 03:05:38,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:05:38,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:05:38,367 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:05:38,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:05:38,368 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:05:38,368 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:05:38,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:05:38,369 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:05:38,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-12-06 03:05:38,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:38,551 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:05:38,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:38,611 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:05:38,612 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:05:41,273 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:05:41,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2024-12-06 03:05:41,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:05:41,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:05:41,280 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:05:41,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:05:41,280 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:05:41,280 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:05:41,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:05:41,282 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:05:41,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-12-06 03:05:41,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:41,485 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:05:41,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:41,510 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:05:41,511 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:05:45,237 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:05:45,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (63)] Forceful destruction successful, exit code 0 [2024-12-06 03:05:45,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:05:45,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:05:45,243 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:05:45,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:05:45,244 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:05:45,244 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:05:45,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:05:45,246 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:05:45,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-12-06 03:05:45,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:45,420 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:05:45,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:45,448 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:05:45,448 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:05:48,007 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:05:48,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2024-12-06 03:05:48,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:05:48,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:05:48,015 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:05:48,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:05:48,015 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:05:48,015 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:05:48,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:05:48,017 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:05:48,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-12-06 03:05:48,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:48,194 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:05:48,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:48,221 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:05:48,222 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:05:51,779 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:05:51,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2024-12-06 03:05:51,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:05:51,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:05:51,788 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:05:51,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:05:51,789 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:05:51,789 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:05:51,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:05:51,790 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:05:51,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-12-06 03:05:51,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:51,973 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:05:51,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:52,000 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:05:52,001 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:05:54,616 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:05:54,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2024-12-06 03:05:54,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:05:54,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:05:54,624 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:05:54,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:05:54,625 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:05:54,625 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:05:54,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:05:54,626 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:05:54,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-12-06 03:05:54,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:54,811 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:05:54,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:54,845 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:05:54,845 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:05:58,545 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:05:58,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2024-12-06 03:05:58,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:05:58,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:05:58,552 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:05:58,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:05:58,552 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:05:58,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:05:58,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:05:58,554 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:05:58,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-12-06 03:05:58,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:58,728 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:05:58,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:58,755 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:05:58,755 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:06:01,373 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:06:01,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2024-12-06 03:06:01,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:06:01,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:06:01,380 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:06:01,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:06:01,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:06:01,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:06:01,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:06:01,382 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:06:01,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-12-06 03:06:01,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:06:01,552 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:06:01,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:06:01,575 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:06:01,576 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:06:05,263 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:06:05,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2024-12-06 03:06:05,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:06:05,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:06:05,269 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:06:05,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:06:05,270 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:06:05,270 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:06:05,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:06:05,271 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:06:05,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-12-06 03:06:05,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:06:05,449 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:06:05,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:06:05,477 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:06:05,478 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:06:08,089 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:06:08,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2024-12-06 03:06:08,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:06:08,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:06:08,099 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:06:08,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:06:08,099 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:06:08,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:06:08,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:06:08,100 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:06:08,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-12-06 03:06:08,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:06:08,278 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:06:08,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:06:08,300 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:06:08,301 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:06:10,952 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:06:10,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2024-12-06 03:06:10,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:06:10,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:06:10,962 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:06:10,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:06:10,962 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:06:10,962 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:06:10,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:06:10,964 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:06:10,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-12-06 03:06:11,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:06:11,143 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:06:11,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:06:11,171 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:06:11,172 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:06:13,737 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:06:13,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2024-12-06 03:06:13,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:06:13,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:06:13,748 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:06:13,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:06:13,749 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:06:13,749 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:06:13,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:06:13,750 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:06:13,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-12-06 03:06:13,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:06:13,930 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:06:13,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:06:13,951 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:06:13,952 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:06:16,571 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:06:16,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2024-12-06 03:06:16,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:06:16,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:06:16,581 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:06:16,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:06:16,582 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:06:16,582 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:06:16,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:06:16,583 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:06:16,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-12-06 03:06:16,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:06:16,753 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:06:16,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:06:16,775 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:06:16,776 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:06:19,247 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:06:19,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2024-12-06 03:06:19,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:06:19,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:06:19,254 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:06:19,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:06:19,254 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:06:19,254 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:06:19,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:06:19,255 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:06:19,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-12-06 03:06:19,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:06:19,432 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:06:19,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:06:19,456 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:06:19,457 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:06:22,017 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:06:22,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2024-12-06 03:06:22,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:06:22,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:06:22,023 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:06:22,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:06:22,023 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:06:22,023 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:06:22,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:06:22,025 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:06:22,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-12-06 03:06:22,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:06:22,195 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:06:22,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:06:22,217 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:06:22,218 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:06:24,830 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:06:24,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2024-12-06 03:06:24,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:06:24,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:06:24,840 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:06:24,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:06:24,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:06:24,840 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:06:24,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:06:24,842 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:06:24,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2024-12-06 03:06:25,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:06:25,024 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:06:25,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:06:25,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:06:25,051 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:06:27,483 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:06:27,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2024-12-06 03:06:27,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:06:27,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:06:27,493 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:06:27,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:06:27,493 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:06:27,493 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:06:27,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:06:27,495 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:06:27,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2024-12-06 03:06:27,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:06:27,675 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:06:27,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:06:27,703 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:06:27,704 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:06:30,273 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:06:30,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2024-12-06 03:06:30,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:06:30,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:06:30,283 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:06:30,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:06:30,283 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:06:30,283 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:06:30,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:06:30,285 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:06:30,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2024-12-06 03:06:30,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:06:30,462 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:06:30,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:06:30,488 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:06:30,489 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:06:33,128 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:06:33,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (79)] Forceful destruction successful, exit code 0 [2024-12-06 03:06:33,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:06:33,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:06:33,138 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:06:33,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:06:33,139 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:06:33,139 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:06:33,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:06:33,140 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:06:33,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2024-12-06 03:06:33,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:06:33,341 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:06:33,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:06:33,387 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:06:33,388 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:06:35,983 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:06:35,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2024-12-06 03:06:35,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:06:35,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:06:35,994 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:06:35,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:06:35,994 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:06:35,994 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:06:35,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:06:35,996 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:06:35,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2024-12-06 03:06:36,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:06:36,178 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:06:36,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:06:36,224 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:06:36,225 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:06:38,727 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:06:38,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2024-12-06 03:06:38,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:06:38,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:06:38,737 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:06:38,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:06:38,737 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:06:38,737 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:06:38,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:06:38,739 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:06:38,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2024-12-06 03:06:38,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:06:38,914 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:06:38,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:06:38,936 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:06:38,937 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:06:41,558 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:06:41,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2024-12-06 03:06:41,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:06:41,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:06:41,569 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:06:41,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:06:41,570 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:06:41,570 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:06:41,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:06:41,571 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:06:41,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2024-12-06 03:06:41,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:06:41,749 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:06:41,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:06:41,789 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:06:41,790 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:06:44,255 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:06:44,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2024-12-06 03:06:44,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:06:44,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:06:44,265 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:06:44,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:06:44,265 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:06:44,265 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:06:44,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:06:44,266 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:06:44,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2024-12-06 03:06:44,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:06:44,446 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:06:44,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:06:44,469 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:06:44,470 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:06:47,061 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:06:47,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2024-12-06 03:06:47,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:06:47,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:06:47,071 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:06:47,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:06:47,071 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:06:47,071 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:06:47,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:06:47,073 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:06:47,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2024-12-06 03:06:47,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:06:47,251 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:06:47,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:06:47,279 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:06:47,280 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:06:51,026 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:06:51,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2024-12-06 03:06:51,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:06:51,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:06:51,032 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:06:51,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:06:51,033 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:06:51,033 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:06:51,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:06:51,034 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:06:51,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2024-12-06 03:06:51,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:06:51,223 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:06:51,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:06:51,254 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:06:51,255 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:06:53,831 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:06:53,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2024-12-06 03:06:53,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:06:53,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:06:53,841 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:06:53,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:06:53,841 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:06:53,841 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:06:53,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:06:53,843 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:06:53,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2024-12-06 03:06:54,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:06:54,020 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:06:54,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:06:54,043 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:06:54,044 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:06:56,632 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:06:56,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2024-12-06 03:06:56,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:06:56,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:06:56,642 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:06:56,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:06:56,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:06:56,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:06:56,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:06:56,644 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:06:56,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2024-12-06 03:06:56,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:06:56,822 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:06:56,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:06:56,856 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:06:56,857 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:06:59,364 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:06:59,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2024-12-06 03:06:59,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:06:59,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:06:59,374 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:06:59,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:06:59,374 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:06:59,374 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:06:59,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:06:59,375 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:06:59,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2024-12-06 03:06:59,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:06:59,556 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:06:59,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:06:59,575 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:06:59,576 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:07:02,139 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:07:02,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2024-12-06 03:07:02,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:07:02,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:07:02,149 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:07:02,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:07:02,149 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:07:02,149 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:07:02,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:07:02,150 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:07:02,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2024-12-06 03:07:02,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:07:02,323 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:07:02,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:07:02,355 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:07:02,356 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:07:05,039 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:07:05,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2024-12-06 03:07:05,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:07:05,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:07:05,048 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:07:05,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:07:05,048 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:07:05,048 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:07:05,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:07:05,049 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:07:05,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2024-12-06 03:07:05,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:07:05,230 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:07:05,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:07:05,260 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:07:05,261 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:07:08,839 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:07:08,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2024-12-06 03:07:08,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:07:08,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:07:08,845 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:07:08,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:07:08,845 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:07:08,845 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:07:08,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:07:08,846 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:07:08,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2024-12-06 03:07:09,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:07:09,024 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:07:09,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:07:09,051 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:07:09,052 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:07:11,580 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:07:11,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2024-12-06 03:07:11,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:07:11,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:07:11,587 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:07:11,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:07:11,587 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:07:11,587 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:07:11,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:07:11,588 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:07:11,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2024-12-06 03:07:11,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:07:11,760 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:07:11,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:07:11,786 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:07:11,787 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:07:15,649 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:07:15,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2024-12-06 03:07:15,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:07:15,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:07:15,656 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:07:15,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:07:15,656 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:07:15,656 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:07:15,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:07:15,658 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:07:15,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2024-12-06 03:07:15,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:07:15,835 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:07:15,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:07:15,865 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:07:15,865 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:07:19,452 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:07:19,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2024-12-06 03:07:19,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:07:19,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:07:19,458 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:07:19,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:07:19,459 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:07:19,459 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:07:19,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:07:19,460 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:07:19,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2024-12-06 03:07:19,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:07:19,638 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:07:19,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:07:19,659 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:07:19,660 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:07:22,259 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:07:22,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2024-12-06 03:07:22,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:07:22,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:07:22,276 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:07:22,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:07:22,277 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:07:22,277 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:07:22,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:07:22,278 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:07:22,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2024-12-06 03:07:22,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:07:22,450 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:07:22,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:07:22,471 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:07:22,472 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:07:25,067 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:07:25,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2024-12-06 03:07:25,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:07:25,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:07:25,075 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:07:25,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:07:25,075 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:07:25,075 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:07:25,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:07:25,076 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:07:25,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2024-12-06 03:07:25,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:07:25,266 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:07:25,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:07:25,296 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:07:25,298 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:07:29,096 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:07:29,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2024-12-06 03:07:29,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:07:29,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:07:29,103 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:07:29,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:07:29,103 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:07:29,103 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:07:29,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:07:29,105 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:07:29,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2024-12-06 03:07:29,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:07:29,358 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:07:29,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:07:29,382 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:07:29,382 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:07:31,931 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:07:31,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2024-12-06 03:07:31,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:07:31,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:07:31,938 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:07:31,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:07:31,938 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:07:31,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:07:31,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:07:31,939 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:07:31,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2024-12-06 03:07:32,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:07:32,120 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:07:32,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:07:32,150 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:07:32,151 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:07:34,695 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:07:34,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2024-12-06 03:07:34,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:07:34,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:07:34,702 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:07:34,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:07:34,702 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:07:34,702 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:07:34,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:07:34,704 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:07:34,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2024-12-06 03:07:34,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:07:34,884 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:07:34,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:07:34,908 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:07:34,909 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:07:37,383 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:07:37,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2024-12-06 03:07:37,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:07:37,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:07:37,391 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:07:37,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:07:37,391 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:07:37,391 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:07:37,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:07:37,393 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:07:37,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2024-12-06 03:07:37,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:07:37,579 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:07:37,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:07:37,609 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:07:37,610 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:07:40,409 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:07:40,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2024-12-06 03:07:40,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:07:40,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:07:40,415 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:07:40,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:07:40,416 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:07:40,416 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:07:40,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:07:40,417 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:07:40,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2024-12-06 03:07:40,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:07:40,600 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:07:40,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:07:40,620 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:07:40,620 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:07:43,153 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:07:43,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2024-12-06 03:07:43,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:07:43,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:07:43,160 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:07:43,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:07:43,160 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:07:43,160 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:07:43,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:07:43,162 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:07:43,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2024-12-06 03:07:43,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:07:43,335 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:07:43,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:07:43,355 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:07:43,356 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:07:46,302 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:07:46,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2024-12-06 03:07:46,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:07:46,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:07:46,310 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:07:46,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:07:46,310 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:07:46,310 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:07:46,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:07:46,312 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:07:46,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2024-12-06 03:07:46,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:07:46,531 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:07:46,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:07:46,553 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:07:46,554 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:07:49,283 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:07:49,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2024-12-06 03:07:49,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:07:49,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:07:49,291 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:07:49,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:07:49,291 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:07:49,291 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:07:49,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:07:49,293 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:07:49,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2024-12-06 03:07:49,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:07:49,472 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:07:49,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:07:49,498 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:07:49,499 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:07:52,292 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:07:52,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2024-12-06 03:07:52,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:07:52,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:07:52,300 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:07:52,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:07:52,300 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:07:52,300 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:07:52,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:07:52,302 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:07:52,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2024-12-06 03:07:52,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:07:52,492 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:07:52,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:07:52,519 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:07:52,519 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:07:55,343 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:07:55,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2024-12-06 03:07:55,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:07:55,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:07:55,350 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:07:55,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:07:55,350 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:07:55,350 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:07:55,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:07:55,352 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:07:55,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2024-12-06 03:07:55,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:07:55,546 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:07:55,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:07:55,574 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:07:55,575 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:07:58,297 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:07:58,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2024-12-06 03:07:58,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:07:58,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:07:58,304 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:07:58,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:07:58,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:07:58,304 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:07:58,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:07:58,305 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:07:58,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2024-12-06 03:07:58,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:07:58,484 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:07:58,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:07:58,508 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:07:58,509 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:08:01,100 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:08:01,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2024-12-06 03:08:01,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:08:01,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:08:01,106 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:08:01,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:08:01,107 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:08:01,107 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:08:01,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:08:01,108 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:08:01,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2024-12-06 03:08:01,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:08:01,284 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:08:01,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:08:01,306 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:08:01,307 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:08:04,980 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:08:04,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2024-12-06 03:08:04,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:08:04,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:08:04,988 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:08:04,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:08:04,988 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:08:04,988 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:08:04,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:08:04,989 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:08:04,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2024-12-06 03:08:05,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:08:05,164 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:08:05,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:08:05,189 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:08:05,189 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:08:07,735 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:08:07,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2024-12-06 03:08:07,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:08:07,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:08:07,742 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:08:07,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:08:07,742 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:08:07,742 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:08:07,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:08:07,744 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:08:07,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2024-12-06 03:08:07,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:08:07,923 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:08:07,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:08:07,947 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:08:07,948 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:08:10,518 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:08:10,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2024-12-06 03:08:10,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:08:10,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:08:10,524 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:08:10,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:08:10,525 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:08:10,525 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:08:10,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:08:10,526 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:08:10,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2024-12-06 03:08:10,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:08:10,702 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:08:10,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:08:10,724 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:08:10,725 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:08:13,341 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:08:13,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2024-12-06 03:08:13,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:08:13,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:08:13,347 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:08:13,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:08:13,347 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:08:13,347 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:08:13,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:08:13,349 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:08:13,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2024-12-06 03:08:13,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:08:13,521 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:08:13,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:08:13,607 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:08:13,608 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:08:16,238 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:08:16,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2024-12-06 03:08:16,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:08:16,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:08:16,244 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:08:16,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:08:16,244 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:08:16,244 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:08:16,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:08:16,246 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:08:16,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2024-12-06 03:08:16,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:08:16,432 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:08:16,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:08:16,461 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:08:16,462 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:08:19,073 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:08:19,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2024-12-06 03:08:19,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:08:19,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:08:19,079 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:08:19,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:08:19,079 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:08:19,079 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:08:19,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:08:19,081 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:08:19,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2024-12-06 03:08:19,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:08:19,248 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:08:19,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:08:19,276 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:08:19,276 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:08:22,987 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:08:22,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2024-12-06 03:08:22,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:08:22,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:08:22,994 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:08:22,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:08:22,994 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:08:22,994 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:08:22,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:08:22,995 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:08:22,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2024-12-06 03:08:23,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:08:23,170 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:08:23,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:08:23,192 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:08:23,193 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:08:26,718 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:08:26,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2024-12-06 03:08:26,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:08:26,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:08:26,724 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:08:26,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:08:26,724 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:08:26,724 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:08:26,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:08:26,726 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:08:26,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2024-12-06 03:08:26,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:08:26,907 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:08:26,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:08:26,930 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:08:26,931 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:08:29,477 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:08:29,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2024-12-06 03:08:29,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:08:29,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:08:29,483 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:08:29,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:08:29,483 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:08:29,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:08:29,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:08:29,485 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:08:29,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2024-12-06 03:08:29,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:08:29,656 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:08:29,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:08:29,686 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:08:29,687 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:08:32,200 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:08:32,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2024-12-06 03:08:32,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:08:32,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:08:32,207 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:08:32,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:08:32,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:08:32,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:08:32,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:08:32,208 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:08:32,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2024-12-06 03:08:32,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:08:32,375 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:08:32,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:08:32,400 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:08:32,401 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:08:35,052 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:08:35,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2024-12-06 03:08:35,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:08:35,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:08:35,058 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:08:35,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:08:35,058 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:08:35,058 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:08:35,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:08:35,059 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:08:35,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2024-12-06 03:08:35,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:08:35,227 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:08:35,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:08:35,254 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:08:35,254 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:08:37,842 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:08:37,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2024-12-06 03:08:37,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:08:37,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:08:37,848 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:08:37,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:08:37,848 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:08:37,848 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:08:37,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:08:37,850 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:08:37,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2024-12-06 03:08:38,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:08:38,017 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:08:38,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:08:38,042 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:08:38,042 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:08:40,592 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:08:40,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2024-12-06 03:08:40,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:08:40,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:08:40,598 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:08:40,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:08:40,598 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:08:40,598 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:08:40,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:08:40,599 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:08:40,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2024-12-06 03:08:40,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:08:40,776 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:08:40,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:08:40,803 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:08:40,804 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:08:43,345 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:08:43,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2024-12-06 03:08:43,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:08:43,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:08:43,351 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:08:43,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:08:43,351 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:08:43,352 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:08:43,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:08:43,353 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:08:43,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2024-12-06 03:08:43,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:08:43,530 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:08:43,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:08:43,551 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:08:43,552 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:08:47,329 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:08:47,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2024-12-06 03:08:47,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:08:47,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:08:47,335 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:08:47,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:08:47,335 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:08:47,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:08:47,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:08:47,336 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:08:47,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2024-12-06 03:08:47,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:08:47,508 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:08:47,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:08:47,532 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:08:47,532 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:08:50,250 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:08:50,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2024-12-06 03:08:50,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:08:50,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:08:50,258 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:08:50,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:08:50,259 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:08:50,259 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:08:50,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:08:50,260 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:08:50,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2024-12-06 03:08:50,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:08:50,427 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:08:50,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:08:50,450 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:08:50,451 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:08:53,052 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:08:53,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (125)] Forceful destruction successful, exit code 0 [2024-12-06 03:08:53,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:08:53,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:08:53,059 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:08:53,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:08:53,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:08:53,059 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:08:53,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:08:53,060 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:08:53,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2024-12-06 03:08:53,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:08:53,249 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:08:53,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:08:53,270 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:08:53,271 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:08:56,933 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:08:56,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (126)] Forceful destruction successful, exit code 0 [2024-12-06 03:08:56,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:08:56,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:08:56,939 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:08:56,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:08:56,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:08:56,940 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:08:56,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:08:56,942 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:08:56,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2024-12-06 03:08:57,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:08:57,121 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:08:57,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:08:57,165 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:08:57,166 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:08:59,714 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:08:59,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2024-12-06 03:08:59,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:08:59,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:08:59,721 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:08:59,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:08:59,721 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:08:59,721 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:08:59,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:08:59,722 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:08:59,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2024-12-06 03:08:59,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:08:59,897 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:08:59,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:08:59,921 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:08:59,921 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:09:02,471 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:09:02,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (128)] Forceful destruction successful, exit code 0 [2024-12-06 03:09:02,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:02,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:09:02,477 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:09:02,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:09:02,478 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:09:02,478 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:09:02,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:09:02,479 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:09:02,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2024-12-06 03:09:02,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:02,668 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:09:02,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:02,706 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:09:02,707 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:09:05,312 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:09:05,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (129)] Forceful destruction successful, exit code 0 [2024-12-06 03:09:05,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:05,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:09:05,319 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:09:05,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:09:05,319 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:09:05,319 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:09:05,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:09:05,321 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:09:05,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2024-12-06 03:09:05,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:05,491 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:09:05,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:05,513 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:09:05,514 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:09:09,092 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:09:09,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2024-12-06 03:09:09,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:09,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:09:09,101 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:09:09,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:09:09,101 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:09:09,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:09:09,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:09:09,103 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:09:09,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2024-12-06 03:09:09,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:09,300 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:09:09,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:09,326 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:09:09,327 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:09:12,954 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:09:12,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2024-12-06 03:09:12,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:12,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:09:12,962 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:09:12,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:09:12,962 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:09:12,962 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:09:12,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:09:12,963 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:09:12,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2024-12-06 03:09:13,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:13,149 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:09:13,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:13,172 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:09:13,173 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:09:15,694 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:09:15,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2024-12-06 03:09:15,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:15,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:09:15,700 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:09:15,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:09:15,700 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:09:15,700 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:09:15,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:09:15,702 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:09:15,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2024-12-06 03:09:15,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:15,891 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:09:15,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:15,921 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:09:15,922 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:09:19,585 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:09:19,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2024-12-06 03:09:19,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:19,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:09:19,590 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:09:19,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:09:19,591 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:09:19,591 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:09:19,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:09:19,592 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:09:19,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2024-12-06 03:09:19,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:19,767 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:09:19,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:19,805 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:09:19,805 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:09:22,429 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:09:22,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2024-12-06 03:09:22,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:22,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:09:22,435 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:09:22,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:09:22,436 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:09:22,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:09:22,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:09:22,437 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:09:22,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2024-12-06 03:09:22,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:22,617 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:09:22,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:22,657 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:09:22,657 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:09:25,132 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:09:25,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2024-12-06 03:09:25,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:25,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:09:25,138 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:09:25,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:09:25,139 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:09:25,139 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:09:25,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:09:25,140 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:09:25,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2024-12-06 03:09:25,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:25,306 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:09:25,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:25,326 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:09:25,327 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:09:29,015 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:09:29,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2024-12-06 03:09:29,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:29,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:09:29,021 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:09:29,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:09:29,021 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:09:29,021 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:09:29,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:09:29,022 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:09:29,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2024-12-06 03:09:29,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:29,198 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:09:29,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:29,230 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:09:29,230 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:09:31,830 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:09:31,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (137)] Ended with exit code 0 [2024-12-06 03:09:31,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:31,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:09:31,840 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:09:31,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:09:31,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:09:31,840 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:09:31,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:09:31,841 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:09:31,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2024-12-06 03:09:32,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:32,028 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:09:32,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:32,053 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:09:32,053 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:09:34,619 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:09:34,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2024-12-06 03:09:34,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:34,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:09:34,626 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:09:34,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:09:34,626 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:09:34,626 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:09:34,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:09:34,627 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:09:34,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2024-12-06 03:09:34,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:34,794 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:09:34,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:34,815 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:09:34,816 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:09:37,392 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:09:37,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (139)] Forceful destruction successful, exit code 0 [2024-12-06 03:09:37,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:37,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:09:37,398 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:09:37,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:09:37,398 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:09:37,398 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:09:37,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:09:37,399 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:09:37,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2024-12-06 03:09:37,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:37,566 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:09:37,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:37,586 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:09:37,587 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:09:41,155 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:09:41,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2024-12-06 03:09:41,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:41,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:09:41,161 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:09:41,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:09:41,161 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:09:41,161 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:09:41,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:09:41,162 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:09:41,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2024-12-06 03:09:41,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:41,329 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:09:41,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:41,354 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:09:41,355 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:09:43,855 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:09:43,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (141)] Ended with exit code 0 [2024-12-06 03:09:43,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:43,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:09:43,863 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:09:43,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:09:43,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:09:43,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:09:43,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:09:43,865 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:09:43,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2024-12-06 03:09:44,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:44,032 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:09:44,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:44,053 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:09:44,053 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:09:46,644 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:09:46,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2024-12-06 03:09:46,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:46,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:09:46,654 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:09:46,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:09:46,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:09:46,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:09:46,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:09:46,655 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:09:46,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2024-12-06 03:09:46,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:46,831 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:09:46,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:46,856 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:09:46,856 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:09:50,377 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:09:50,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2024-12-06 03:09:50,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:50,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:09:50,383 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:09:50,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:09:50,383 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:09:50,383 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:09:50,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:09:50,384 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:09:50,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2024-12-06 03:09:50,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:50,551 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:09:50,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:50,571 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:09:50,572 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:09:54,157 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:09:54,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2024-12-06 03:09:54,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:54,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:09:54,163 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:09:54,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:09:54,163 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:09:54,163 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:09:54,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:09:54,165 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:09:54,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2024-12-06 03:09:54,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:54,359 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:09:54,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:54,387 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:09:54,388 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:09:58,060 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:09:58,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (145)] Ended with exit code 0 [2024-12-06 03:09:58,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:58,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:09:58,066 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:09:58,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:09:58,066 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:09:58,066 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:09:58,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:09:58,067 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:09:58,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2024-12-06 03:09:58,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:58,239 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:09:58,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:58,263 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:09:58,263 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:10:00,748 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:10:00,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (146)] Ended with exit code 0 [2024-12-06 03:10:00,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:10:00,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:10:00,754 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:10:00,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:10:00,754 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:10:00,755 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:10:00,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:10:00,756 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:10:00,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2024-12-06 03:10:00,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:10:00,929 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:10:00,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:10:00,954 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:10:00,954 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:10:03,514 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:10:03,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (147)] Ended with exit code 0 [2024-12-06 03:10:03,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:10:03,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:10:03,520 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:10:03,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:10:03,521 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:10:03,521 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:10:03,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:10:03,522 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:10:03,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2024-12-06 03:10:03,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:10:03,689 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:10:03,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:10:03,714 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:10:03,714 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:10:06,308 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:10:06,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2024-12-06 03:10:06,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:10:06,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:10:06,314 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:10:06,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:10:06,314 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:10:06,314 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:10:06,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:10:06,316 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:10:06,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2024-12-06 03:10:06,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:10:06,486 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:10:06,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:10:06,511 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:10:06,512 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:10:10,310 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:10:10,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (149)] Ended with exit code 0 [2024-12-06 03:10:10,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:10:10,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:10:10,316 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:10:10,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:10:10,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:10:10,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:10:10,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:10:10,317 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:10:10,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2024-12-06 03:10:10,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:10:10,483 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:10:10,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:10:10,504 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:10:10,505 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:10:13,050 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:10:13,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (150)] Forceful destruction successful, exit code 0 [2024-12-06 03:10:13,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:10:13,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:10:13,056 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:10:13,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:10:13,057 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:10:13,057 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:10:13,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:10:13,058 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:10:13,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2024-12-06 03:10:13,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:10:13,242 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:10:13,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:10:13,265 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:10:13,265 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:10:15,861 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:10:15,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (151)] Ended with exit code 0 [2024-12-06 03:10:15,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:10:15,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:10:15,867 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:10:15,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:10:15,868 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:10:15,868 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:10:15,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:10:15,869 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:10:15,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2024-12-06 03:10:16,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:10:16,044 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:10:16,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:10:16,073 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:10:16,073 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:10:18,635 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:10:18,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (152)] Forceful destruction successful, exit code 0 [2024-12-06 03:10:18,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:10:18,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:10:18,653 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:10:18,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:10:18,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:10:18,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:10:18,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:10:18,654 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:10:18,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process [2024-12-06 03:10:18,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:10:18,827 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:10:18,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:10:18,847 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:10:18,847 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:10:22,488 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:10:22,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (153)] Ended with exit code 0 [2024-12-06 03:10:22,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:10:22,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:10:22,494 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:10:22,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:10:22,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:10:22,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:10:22,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:10:22,495 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:10:22,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process [2024-12-06 03:10:22,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:10:22,692 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:10:22,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:10:22,717 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:10:22,717 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:10:26,286 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:10:26,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (154)] Ended with exit code 0 [2024-12-06 03:10:26,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:10:26,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:10:26,292 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:10:26,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:10:26,292 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:10:26,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:10:26,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:10:26,294 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:10:26,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (155)] Waiting until timeout for monitored process [2024-12-06 03:10:26,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:10:26,476 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:10:26,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:10:26,507 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:10:26,507 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:10:29,118 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:10:29,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (155)] Ended with exit code 0 [2024-12-06 03:10:29,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:10:29,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:10:29,125 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:10:29,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:10:29,125 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:10:29,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:10:29,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:10:29,126 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:10:29,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (156)] Waiting until timeout for monitored process [2024-12-06 03:10:29,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:10:29,302 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:10:29,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:10:29,324 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:10:29,325 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:10:31,815 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:10:31,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (156)] Forceful destruction successful, exit code 0 [2024-12-06 03:10:31,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:10:31,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:10:31,821 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:10:31,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:10:31,822 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:10:31,822 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:10:31,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:10:31,823 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:10:31,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (157)] Waiting until timeout for monitored process [2024-12-06 03:10:31,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:10:31,996 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:10:32,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:10:32,019 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:10:32,019 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:10:34,642 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:10:34,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (157)] Ended with exit code 0 [2024-12-06 03:10:34,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:10:34,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:10:34,648 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:10:34,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:10:34,648 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:10:34,648 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:10:34,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:10:34,649 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:10:34,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (158)] Waiting until timeout for monitored process [2024-12-06 03:10:34,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:10:34,824 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:10:34,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:10:34,844 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:10:34,845 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:10:37,428 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:10:37,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (158)] Ended with exit code 0 [2024-12-06 03:10:37,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:10:37,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:10:37,434 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:10:37,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:10:37,435 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:10:37,435 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:10:37,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:10:37,436 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:10:37,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (159)] Waiting until timeout for monitored process [2024-12-06 03:10:37,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:10:37,610 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:10:37,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:10:37,630 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:10:37,631 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:10:40,158 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:10:40,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (159)] Forceful destruction successful, exit code 0 [2024-12-06 03:10:40,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:10:40,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:10:40,164 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:10:40,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:10:40,164 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:10:40,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:10:40,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:10:40,166 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:10:40,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (160)] Waiting until timeout for monitored process [2024-12-06 03:10:40,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:10:40,336 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:10:40,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:10:40,360 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:10:40,361 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:10:43,952 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:10:43,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (160)] Ended with exit code 0 [2024-12-06 03:10:43,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:10:43,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:10:43,958 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:10:43,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:10:43,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:10:43,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:10:43,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:10:43,960 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:10:43,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (161)] Waiting until timeout for monitored process [2024-12-06 03:10:44,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:10:44,126 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:10:44,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:10:44,221 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:10:44,222 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:10:48,028 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:10:48,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (161)] Ended with exit code 0 [2024-12-06 03:10:48,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:10:48,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:10:48,034 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:10:48,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:10:48,034 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:10:48,034 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:10:48,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:10:48,035 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:10:48,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (162)] Waiting until timeout for monitored process [2024-12-06 03:10:48,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:10:48,205 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:10:48,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:10:48,226 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:10:48,227 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:10:50,883 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:10:50,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (162)] Ended with exit code 0 [2024-12-06 03:10:50,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:10:50,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:10:50,890 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:10:50,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:10:50,890 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:10:50,890 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:10:50,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:10:50,892 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:10:50,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (163)] Waiting until timeout for monitored process [2024-12-06 03:10:51,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:10:51,067 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:10:51,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:10:51,095 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:10:51,096 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:10:54,800 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:10:54,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (163)] Ended with exit code 0 [2024-12-06 03:10:54,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:10:54,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:10:54,806 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:10:54,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:10:54,806 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:10:54,806 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:10:54,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:10:54,807 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:10:54,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (164)] Waiting until timeout for monitored process [2024-12-06 03:10:54,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:10:54,977 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:10:55,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:10:55,006 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:10:55,006 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:10:57,506 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:10:57,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (164)] Ended with exit code 0 [2024-12-06 03:10:57,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:10:57,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:10:57,512 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:10:57,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:10:57,513 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:10:57,513 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:10:57,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:10:57,514 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:10:57,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (165)] Waiting until timeout for monitored process [2024-12-06 03:10:57,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:10:57,683 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:10:57,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:10:57,704 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:10:57,705 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:11:00,269 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:11:00,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (165)] Ended with exit code 0 [2024-12-06 03:11:00,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:11:00,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:11:00,285 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:11:00,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:11:00,286 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:11:00,286 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:11:00,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:11:00,287 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:11:00,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (166)] Waiting until timeout for monitored process [2024-12-06 03:11:00,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:00,459 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:11:00,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:00,480 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:11:00,481 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:11:04,177 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:11:04,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (166)] Ended with exit code 0 [2024-12-06 03:11:04,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:11:04,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:11:04,183 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:11:04,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:11:04,184 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:11:04,184 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:11:04,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:11:04,185 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:11:04,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (167)] Waiting until timeout for monitored process [2024-12-06 03:11:04,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:04,357 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:11:04,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:04,386 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:11:04,387 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:11:07,030 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:11:07,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (167)] Ended with exit code 0 [2024-12-06 03:11:07,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:11:07,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:11:07,037 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:11:07,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:11:07,037 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:11:07,037 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:11:07,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:11:07,038 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:11:07,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (168)] Waiting until timeout for monitored process [2024-12-06 03:11:07,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:07,235 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:11:07,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:07,254 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:11:07,255 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:11:09,727 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:11:09,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (168)] Ended with exit code 0 [2024-12-06 03:11:09,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:11:09,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:11:09,733 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:11:09,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:11:09,734 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:11:09,734 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:11:09,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:11:09,735 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:11:09,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (169)] Waiting until timeout for monitored process [2024-12-06 03:11:09,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:09,907 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:11:09,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:09,933 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:11:09,933 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:11:12,490 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:11:12,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (169)] Ended with exit code 0 [2024-12-06 03:11:12,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:11:12,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:11:12,497 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:11:12,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:11:12,497 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:11:12,497 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:11:12,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:11:12,498 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:11:12,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (170)] Waiting until timeout for monitored process [2024-12-06 03:11:12,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:12,679 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:11:12,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:12,703 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:11:12,704 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:11:16,299 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:11:16,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (170)] Ended with exit code 0 [2024-12-06 03:11:16,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:11:16,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:11:16,304 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:11:16,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:11:16,305 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:11:16,305 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:11:16,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:11:16,306 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:11:16,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (171)] Waiting until timeout for monitored process [2024-12-06 03:11:16,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:16,480 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:11:16,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:16,508 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:11:16,509 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:11:19,013 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:11:19,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (171)] Ended with exit code 0 [2024-12-06 03:11:19,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:11:19,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:11:19,020 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:11:19,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:11:19,020 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:11:19,020 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:11:19,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:11:19,021 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:11:19,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (172)] Waiting until timeout for monitored process [2024-12-06 03:11:19,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:19,197 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:11:19,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:19,218 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:11:19,219 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:11:21,818 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:11:21,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (172)] Ended with exit code 0 [2024-12-06 03:11:21,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:11:21,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:11:21,824 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:11:21,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:11:21,824 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:11:21,824 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:11:21,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:11:21,826 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:11:21,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (173)] Waiting until timeout for monitored process [2024-12-06 03:11:22,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:22,000 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:11:22,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:22,025 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:11:22,025 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:11:25,542 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:11:25,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (173)] Ended with exit code 0 [2024-12-06 03:11:25,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:11:25,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:11:25,548 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:11:25,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:11:25,549 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:11:25,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:11:25,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:11:25,550 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:11:25,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (174)] Waiting until timeout for monitored process [2024-12-06 03:11:25,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:25,732 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:11:25,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:25,754 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:11:25,755 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:11:29,380 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:11:29,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (174)] Ended with exit code 0 [2024-12-06 03:11:29,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:11:29,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:11:29,386 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:11:29,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:11:29,386 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:11:29,386 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:11:29,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:11:29,388 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:11:29,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (175)] Waiting until timeout for monitored process [2024-12-06 03:11:29,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:29,555 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:11:29,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:29,583 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:11:29,584 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:11:32,089 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:11:32,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (175)] Ended with exit code 0 [2024-12-06 03:11:32,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:11:32,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:11:32,096 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:11:32,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:11:32,096 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:11:32,096 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:11:32,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:11:32,097 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:11:32,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (176)] Waiting until timeout for monitored process [2024-12-06 03:11:32,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:32,263 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:11:32,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:32,283 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:11:32,283 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:11:34,920 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:11:34,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (176)] Ended with exit code 0 [2024-12-06 03:11:34,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:11:34,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:11:34,927 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:11:34,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:11:34,927 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:11:34,927 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:11:34,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:11:34,929 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:11:34,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (177)] Waiting until timeout for monitored process [2024-12-06 03:11:35,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:35,104 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:11:35,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:35,161 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:11:35,162 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:11:37,771 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:11:37,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (177)] Ended with exit code 0 [2024-12-06 03:11:37,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:11:37,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:11:37,778 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:11:37,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:11:37,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:11:37,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:11:37,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:11:37,780 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:11:37,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (178)] Waiting until timeout for monitored process [2024-12-06 03:11:37,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:37,961 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:11:37,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:37,989 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:11:37,990 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:11:40,589 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:11:40,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (178)] Ended with exit code 0 [2024-12-06 03:11:40,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:11:40,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:11:40,596 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:11:40,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:11:40,596 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:11:40,596 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:11:40,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:11:40,597 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:11:40,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (179)] Waiting until timeout for monitored process [2024-12-06 03:11:40,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:40,773 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:11:40,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:40,801 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:11:40,802 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:11:43,336 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:11:43,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (179)] Ended with exit code 0 [2024-12-06 03:11:43,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:11:43,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:11:43,352 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:11:43,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:11:43,352 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:11:43,352 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:11:43,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:11:43,354 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:11:43,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (180)] Waiting until timeout for monitored process [2024-12-06 03:11:43,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:43,528 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:11:43,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:43,555 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:11:43,555 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:11:46,115 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:11:46,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (180)] Ended with exit code 0 [2024-12-06 03:11:46,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:11:46,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:11:46,121 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:11:46,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:11:46,121 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:11:46,121 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:11:46,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:11:46,122 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:11:46,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (181)] Waiting until timeout for monitored process [2024-12-06 03:11:46,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:46,289 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:11:46,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:46,314 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:11:46,316 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:11:48,841 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:11:48,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (181)] Ended with exit code 0 [2024-12-06 03:11:48,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:11:48,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:11:48,847 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:11:48,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:11:48,848 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:11:48,848 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:11:48,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:11:48,849 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:11:48,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (182)] Waiting until timeout for monitored process [2024-12-06 03:11:49,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:49,020 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:11:49,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:49,045 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:11:49,046 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:11:51,550 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:11:51,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (182)] Ended with exit code 0 [2024-12-06 03:11:51,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:11:51,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:11:51,556 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:11:51,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:11:51,556 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:11:51,556 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:11:51,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:11:51,558 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:11:51,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (183)] Waiting until timeout for monitored process [2024-12-06 03:11:51,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:51,724 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:11:51,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:51,746 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:11:51,746 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:11:54,206 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:11:54,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (183)] Ended with exit code 0 [2024-12-06 03:11:54,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:11:54,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:11:54,212 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:11:54,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:11:54,212 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:11:54,212 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:11:54,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:11:54,214 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:11:54,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (184)] Waiting until timeout for monitored process [2024-12-06 03:11:54,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:54,384 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:11:54,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:54,404 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:11:54,405 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:11:58,030 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:11:58,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (184)] Forceful destruction successful, exit code 0 [2024-12-06 03:11:58,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:11:58,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:11:58,036 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:11:58,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:11:58,036 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:11:58,036 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:11:58,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:11:58,037 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:11:58,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (185)] Waiting until timeout for monitored process [2024-12-06 03:11:58,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:58,209 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:11:58,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:58,229 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:11:58,229 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:12:00,816 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:12:00,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (185)] Ended with exit code 0 [2024-12-06 03:12:00,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:12:00,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:12:00,822 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:12:00,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:12:00,822 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:12:00,822 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:12:00,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:12:00,824 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:12:00,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (186)] Waiting until timeout for monitored process [2024-12-06 03:12:00,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:00,990 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:12:01,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:01,037 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:12:01,037 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:12:04,607 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:12:04,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (186)] Ended with exit code 0 [2024-12-06 03:12:04,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:12:04,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:12:04,613 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:12:04,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:12:04,613 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:12:04,613 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:12:04,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:12:04,614 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:12:04,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (187)] Waiting until timeout for monitored process [2024-12-06 03:12:04,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:04,781 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:12:04,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:04,809 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:12:04,810 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:12:07,237 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:12:07,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (187)] Ended with exit code 0 [2024-12-06 03:12:07,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:12:07,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:12:07,244 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:12:07,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:12:07,244 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:12:07,244 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:12:07,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:12:07,245 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:12:07,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (188)] Waiting until timeout for monitored process [2024-12-06 03:12:07,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:07,414 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:12:07,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:07,441 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:12:07,442 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:12:09,834 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:12:09,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (188)] Forceful destruction successful, exit code 0 [2024-12-06 03:12:09,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:12:09,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:12:09,840 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:12:09,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:12:09,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:12:09,840 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:12:09,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:12:09,842 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:12:09,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (189)] Waiting until timeout for monitored process [2024-12-06 03:12:10,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:10,010 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:12:10,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:10,068 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:12:10,069 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:12:13,741 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:12:13,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (189)] Ended with exit code 0 [2024-12-06 03:12:13,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:12:13,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:12:13,746 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:12:13,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:12:13,747 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:12:13,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:12:13,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:12:13,748 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:12:13,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (190)] Waiting until timeout for monitored process [2024-12-06 03:12:13,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:13,915 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:12:13,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:13,937 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:12:13,937 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:12:17,533 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:12:17,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (190)] Ended with exit code 0 [2024-12-06 03:12:17,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:12:17,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:12:17,539 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:12:17,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:12:17,540 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:12:17,540 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:12:17,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:12:17,541 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:12:17,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (191)] Waiting until timeout for monitored process [2024-12-06 03:12:17,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:17,713 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:12:17,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:17,737 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:12:17,738 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:12:20,325 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:12:20,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (191)] Ended with exit code 0 [2024-12-06 03:12:20,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:12:20,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:12:20,335 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:12:20,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:12:20,335 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:12:20,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:12:20,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:12:20,336 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:12:20,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (192)] Waiting until timeout for monitored process [2024-12-06 03:12:20,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:20,524 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:12:20,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:20,543 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:12:20,544 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:12:23,220 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:12:23,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (192)] Ended with exit code 0 [2024-12-06 03:12:23,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:12:23,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:12:23,229 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:12:23,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:12:23,229 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:12:23,229 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:12:23,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:12:23,231 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:12:23,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (193)] Waiting until timeout for monitored process [2024-12-06 03:12:23,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:23,408 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:12:23,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:23,430 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:12:23,430 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:12:27,051 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:12:27,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (193)] Ended with exit code 0 [2024-12-06 03:12:27,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:12:27,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:12:27,058 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:12:27,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:12:27,058 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:12:27,058 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:12:27,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:12:27,059 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:12:27,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (194)] Waiting until timeout for monitored process [2024-12-06 03:12:27,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:27,237 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:12:27,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:27,262 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:12:27,263 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:12:29,753 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:12:29,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (194)] Ended with exit code 0 [2024-12-06 03:12:29,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:12:29,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:12:29,762 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:12:29,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:12:29,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:12:29,762 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:12:29,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:12:29,764 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:12:29,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (195)] Waiting until timeout for monitored process [2024-12-06 03:12:29,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:29,937 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:12:29,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:29,965 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:12:29,966 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:12:33,580 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:12:33,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (195)] Ended with exit code 0 [2024-12-06 03:12:33,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:12:33,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:12:33,586 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:12:33,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:12:33,586 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:12:33,586 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:12:33,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:12:33,588 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:12:33,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (196)] Waiting until timeout for monitored process [2024-12-06 03:12:33,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:33,756 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:12:33,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:33,776 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:12:33,776 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:12:37,373 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:12:37,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (196)] Ended with exit code 0 [2024-12-06 03:12:37,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:12:37,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:12:37,379 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:12:37,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:12:37,379 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:12:37,379 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:12:37,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:12:37,380 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:12:37,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (197)] Waiting until timeout for monitored process [2024-12-06 03:12:37,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:37,564 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:12:37,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:37,586 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:12:37,586 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:12:40,135 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:12:40,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (197)] Ended with exit code 0 [2024-12-06 03:12:40,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:12:40,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:12:40,144 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:12:40,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:12:40,144 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:12:40,144 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:12:40,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:12:40,145 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:12:40,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (198)] Waiting until timeout for monitored process [2024-12-06 03:12:40,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:40,320 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:12:40,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:40,340 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:12:40,341 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:12:43,992 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:12:43,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (198)] Ended with exit code 0 [2024-12-06 03:12:43,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:12:43,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:12:43,998 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:12:43,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:12:43,998 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:12:43,998 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:12:43,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:12:43,999 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:12:44,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (199)] Waiting until timeout for monitored process [2024-12-06 03:12:44,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:44,171 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:12:44,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:44,199 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:12:44,199 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:12:46,782 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:12:46,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (199)] Ended with exit code 0 [2024-12-06 03:12:46,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:12:46,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:12:46,788 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:12:46,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:12:46,788 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:12:46,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:12:46,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:12:46,790 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:12:46,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (200)] Waiting until timeout for monitored process [2024-12-06 03:12:46,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:46,958 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:12:46,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:46,980 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:12:46,980 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:12:49,688 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:12:49,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (200)] Ended with exit code 0 [2024-12-06 03:12:49,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:12:49,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:12:49,694 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:12:49,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:12:49,694 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:12:49,694 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:12:49,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:12:49,696 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:12:49,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (201)] Waiting until timeout for monitored process [2024-12-06 03:12:49,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:49,877 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:12:49,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:49,900 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:12:49,901 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:12:52,399 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:12:52,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (201)] Ended with exit code 0 [2024-12-06 03:12:52,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:12:52,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:12:52,405 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:12:52,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:12:52,406 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:12:52,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:12:52,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:12:52,407 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:12:52,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (202)] Waiting until timeout for monitored process [2024-12-06 03:12:52,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:52,581 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:12:52,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:52,614 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:12:52,615 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:12:55,175 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:12:55,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (202)] Ended with exit code 0 [2024-12-06 03:12:55,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:12:55,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:12:55,181 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:12:55,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:12:55,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:12:55,181 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:12:55,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:12:55,182 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:12:55,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (203)] Waiting until timeout for monitored process [2024-12-06 03:12:55,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:55,348 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:12:55,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:55,371 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:12:55,372 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:12:57,843 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:12:57,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (203)] Ended with exit code 0 [2024-12-06 03:12:57,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:12:57,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:12:57,850 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:12:57,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:12:57,850 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:12:57,850 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:12:57,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:12:57,851 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:12:57,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (204)] Waiting until timeout for monitored process [2024-12-06 03:12:58,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:58,031 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:12:58,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:58,054 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:12:58,055 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:13:00,667 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:13:00,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (204)] Ended with exit code 0 [2024-12-06 03:13:00,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:13:00,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:13:00,673 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:13:00,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:13:00,673 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:13:00,673 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:13:00,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:13:00,674 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:13:00,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (205)] Waiting until timeout for monitored process [2024-12-06 03:13:00,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:13:00,852 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:13:00,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:13:00,874 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:13:00,875 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:13:03,411 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:13:03,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (205)] Ended with exit code 0 [2024-12-06 03:13:03,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:13:03,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:13:03,418 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:13:03,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:13:03,418 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:13:03,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:13:03,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:13:03,420 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:13:03,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (206)] Waiting until timeout for monitored process [2024-12-06 03:13:03,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:13:03,593 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:13:03,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:13:03,612 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:13:03,613 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:13:07,290 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:13:07,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (206)] Ended with exit code 0 [2024-12-06 03:13:07,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:13:07,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:13:07,296 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:13:07,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:13:07,296 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:13:07,296 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:13:07,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:13:07,297 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:13:07,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (207)] Waiting until timeout for monitored process [2024-12-06 03:13:07,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:13:07,465 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:13:07,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:13:07,490 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:13:07,490 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:13:10,126 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:13:10,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (207)] Ended with exit code 0 [2024-12-06 03:13:10,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:13:10,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:13:10,132 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:13:10,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:13:10,132 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:13:10,132 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:13:10,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:13:10,133 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:13:10,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (208)] Waiting until timeout for monitored process [2024-12-06 03:13:10,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:13:10,308 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:13:10,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:13:10,336 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:13:10,336 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:13:13,988 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:13:13,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (208)] Ended with exit code 0 [2024-12-06 03:13:13,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:13:13,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:13:13,994 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:13:13,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:13:13,994 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:13:13,994 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:13:13,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:13:13,995 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:13:13,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (209)] Waiting until timeout for monitored process [2024-12-06 03:13:14,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:13:14,163 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:13:14,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:13:14,187 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:13:14,188 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:13:16,747 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:13:16,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (209)] Ended with exit code 0 [2024-12-06 03:13:16,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:13:16,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:13:16,752 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:13:16,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:13:16,753 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:13:16,753 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:13:16,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:13:16,754 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:13:16,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (210)] Waiting until timeout for monitored process [2024-12-06 03:13:16,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:13:16,929 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:13:16,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:13:16,957 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:13:16,958 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:13:20,484 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:13:20,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (210)] Ended with exit code 0 [2024-12-06 03:13:20,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:13:20,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:13:20,490 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:13:20,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:13:20,490 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:13:20,490 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:13:20,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:13:20,491 INFO L229 MonitoredProcess]: Starting monitored process 211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:13:20,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (211)] Waiting until timeout for monitored process [2024-12-06 03:13:20,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:13:20,666 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:13:20,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:13:20,689 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:13:20,690 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:13:23,227 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:13:23,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (211)] Ended with exit code 0 [2024-12-06 03:13:23,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:13:23,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:13:23,233 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:13:23,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:13:23,233 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:13:23,233 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:13:23,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:13:23,234 INFO L229 MonitoredProcess]: Starting monitored process 212 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:13:23,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (212)] Waiting until timeout for monitored process [2024-12-06 03:13:23,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:13:23,406 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:13:23,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:13:23,440 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:13:23,441 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:13:25,978 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:13:25,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (212)] Ended with exit code 0 [2024-12-06 03:13:25,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:13:25,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:13:25,984 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:13:25,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:13:25,984 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:13:25,984 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:13:25,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:13:25,985 INFO L229 MonitoredProcess]: Starting monitored process 213 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:13:25,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (213)] Waiting until timeout for monitored process [2024-12-06 03:13:26,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:13:26,162 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:13:26,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:13:26,184 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:13:26,185 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:13:28,744 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:13:28,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (213)] Ended with exit code 0 [2024-12-06 03:13:28,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:13:28,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:13:28,753 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:13:28,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:13:28,753 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:13:28,753 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:13:28,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:13:28,754 INFO L229 MonitoredProcess]: Starting monitored process 214 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:13:28,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (214)] Waiting until timeout for monitored process [2024-12-06 03:13:28,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:13:28,929 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:13:28,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:13:28,957 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:13:28,958 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:13:32,477 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:13:32,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (214)] Ended with exit code 0 [2024-12-06 03:13:32,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:13:32,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:13:32,482 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:13:32,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:13:32,483 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:13:32,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:13:32,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:13:32,484 INFO L229 MonitoredProcess]: Starting monitored process 215 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:13:32,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (215)] Waiting until timeout for monitored process [2024-12-06 03:13:32,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:13:32,654 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:13:32,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:13:32,674 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:13:32,675 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:13:35,142 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:13:35,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (215)] Ended with exit code 0 [2024-12-06 03:13:35,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:13:35,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:13:35,151 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:13:35,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:13:35,152 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:13:35,152 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:13:35,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:13:35,153 INFO L229 MonitoredProcess]: Starting monitored process 216 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:13:35,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (216)] Waiting until timeout for monitored process [2024-12-06 03:13:35,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:13:35,340 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:13:35,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:13:35,361 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:13:35,361 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:13:38,967 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:13:38,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (216)] Ended with exit code 0 [2024-12-06 03:13:38,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:13:38,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:13:38,973 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:13:38,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:13:38,973 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:13:38,973 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:13:38,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:13:38,975 INFO L229 MonitoredProcess]: Starting monitored process 217 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:13:38,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (217)] Waiting until timeout for monitored process [2024-12-06 03:13:39,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:13:39,150 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:13:39,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:13:39,304 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:13:39,305 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:13:41,842 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:13:41,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (217)] Ended with exit code 0 [2024-12-06 03:13:41,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:13:41,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:13:41,852 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:13:41,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:13:41,852 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:13:41,852 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:13:41,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:13:41,853 INFO L229 MonitoredProcess]: Starting monitored process 218 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:13:41,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (218)] Waiting until timeout for monitored process [2024-12-06 03:13:42,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:13:42,029 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:13:42,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:13:42,051 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:13:42,052 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:13:45,716 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:13:45,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (218)] Forceful destruction successful, exit code 0 [2024-12-06 03:13:45,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:13:45,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:13:45,722 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:13:45,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:13:45,722 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:13:45,722 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:13:45,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:13:45,723 INFO L229 MonitoredProcess]: Starting monitored process 219 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:13:45,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (219)] Waiting until timeout for monitored process [2024-12-06 03:13:45,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:13:45,890 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:13:45,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:13:45,937 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:13:45,938 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:13:49,430 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:13:49,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (219)] Ended with exit code 0 [2024-12-06 03:13:49,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:13:49,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:13:49,436 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:13:49,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:13:49,436 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:13:49,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:13:49,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:13:49,438 INFO L229 MonitoredProcess]: Starting monitored process 220 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:13:49,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (220)] Waiting until timeout for monitored process [2024-12-06 03:13:49,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:13:49,612 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:13:49,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:13:49,639 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:13:49,639 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:13:53,283 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:13:53,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (220)] Ended with exit code 0 [2024-12-06 03:13:53,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:13:53,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:13:53,288 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:13:53,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:13:53,289 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:13:53,289 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:13:53,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:13:53,290 INFO L229 MonitoredProcess]: Starting monitored process 221 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:13:53,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (221)] Waiting until timeout for monitored process [2024-12-06 03:13:53,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:13:53,476 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:13:53,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:13:53,575 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:13:53,576 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:13:57,164 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:13:57,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (221)] Forceful destruction successful, exit code 0 [2024-12-06 03:13:57,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:13:57,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:13:57,170 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:13:57,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:13:57,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:13:57,170 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:13:57,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:13:57,171 INFO L229 MonitoredProcess]: Starting monitored process 222 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:13:57,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (222)] Waiting until timeout for monitored process [2024-12-06 03:13:57,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:13:57,344 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:13:57,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:13:57,364 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:13:57,364 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:13:59,855 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:13:59,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (222)] Ended with exit code 0 [2024-12-06 03:13:59,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:13:59,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:13:59,864 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:13:59,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:13:59,864 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:13:59,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:13:59,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:13:59,866 INFO L229 MonitoredProcess]: Starting monitored process 223 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:13:59,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (223)] Waiting until timeout for monitored process [2024-12-06 03:14:00,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:14:00,039 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:14:00,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:14:00,064 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:14:00,065 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:14:02,701 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:14:02,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (223)] Ended with exit code 0 [2024-12-06 03:14:02,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:14:02,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:14:02,710 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:14:02,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:14:02,710 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:14:02,710 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:14:02,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:14:02,711 INFO L229 MonitoredProcess]: Starting monitored process 224 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:14:02,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (224)] Waiting until timeout for monitored process [2024-12-06 03:14:02,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:14:02,886 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:14:02,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:14:02,907 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:14:02,908 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:14:06,598 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:14:06,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (224)] Ended with exit code 0 [2024-12-06 03:14:06,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:14:06,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:14:06,605 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:14:06,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:14:06,605 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:14:06,605 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:14:06,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:14:06,606 INFO L229 MonitoredProcess]: Starting monitored process 225 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:14:06,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (225)] Waiting until timeout for monitored process [2024-12-06 03:14:06,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:14:06,782 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:14:06,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:14:06,801 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:14:06,802 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:14:09,385 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:14:09,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (225)] Ended with exit code 0 [2024-12-06 03:14:09,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:14:09,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:14:09,393 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:14:09,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:14:09,393 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:14:09,393 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:14:09,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:14:09,394 INFO L229 MonitoredProcess]: Starting monitored process 226 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:14:09,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (226)] Waiting until timeout for monitored process [2024-12-06 03:14:09,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:14:09,566 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:14:09,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:14:09,592 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:14:09,592 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:14:13,168 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:14:13,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (226)] Ended with exit code 0 [2024-12-06 03:14:13,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:14:13,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:14:13,173 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:14:13,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:14:13,173 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:14:13,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:14:13,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:14:13,175 INFO L229 MonitoredProcess]: Starting monitored process 227 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:14:13,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (227)] Waiting until timeout for monitored process [2024-12-06 03:14:13,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:14:13,350 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:14:13,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:14:13,374 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:14:13,375 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:14:15,856 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:14:15,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (227)] Ended with exit code 0 [2024-12-06 03:14:15,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:14:15,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:14:15,862 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:14:15,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:14:15,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:14:15,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:14:15,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:14:15,864 INFO L229 MonitoredProcess]: Starting monitored process 228 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:14:15,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (228)] Waiting until timeout for monitored process [2024-12-06 03:14:16,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:14:16,037 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:14:16,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:14:16,059 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:14:16,059 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:14:18,644 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:14:18,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (228)] Ended with exit code 0 [2024-12-06 03:14:18,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:14:18,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:14:18,651 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:14:18,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:14:18,651 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:14:18,651 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:14:18,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:14:18,652 INFO L229 MonitoredProcess]: Starting monitored process 229 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:14:18,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (229)] Waiting until timeout for monitored process [2024-12-06 03:14:18,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:14:18,829 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:14:18,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:14:18,855 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:14:18,856 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:14:22,399 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:14:22,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (229)] Ended with exit code 0 [2024-12-06 03:14:22,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:14:22,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:14:22,405 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:14:22,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:14:22,405 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:14:22,405 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:14:22,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:14:22,406 INFO L229 MonitoredProcess]: Starting monitored process 230 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:14:22,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (230)] Waiting until timeout for monitored process [2024-12-06 03:14:22,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:14:22,574 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:14:22,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:14:22,597 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:14:22,597 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:14:26,323 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:14:26,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (230)] Ended with exit code 0 [2024-12-06 03:14:26,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:14:26,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:14:26,329 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:14:26,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:14:26,329 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:14:26,329 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:14:26,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:14:26,331 INFO L229 MonitoredProcess]: Starting monitored process 231 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:14:26,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (231)] Waiting until timeout for monitored process [2024-12-06 03:14:26,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:14:26,507 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:14:26,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:14:26,528 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:14:26,529 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:14:30,163 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:14:30,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (231)] Ended with exit code 0 [2024-12-06 03:14:30,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:14:30,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:14:30,169 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:14:30,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:14:30,169 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:14:30,169 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:14:30,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:14:30,171 INFO L229 MonitoredProcess]: Starting monitored process 232 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:14:30,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (232)] Waiting until timeout for monitored process [2024-12-06 03:14:30,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:14:30,337 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:14:30,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:14:30,361 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:14:30,362 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:14:32,963 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:14:32,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (232)] Forceful destruction successful, exit code 0 [2024-12-06 03:14:32,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:14:32,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:14:32,972 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:14:32,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:14:32,972 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:14:32,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:14:32,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:14:32,973 INFO L229 MonitoredProcess]: Starting monitored process 233 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:14:32,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (233)] Waiting until timeout for monitored process [2024-12-06 03:14:33,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:14:33,140 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:14:33,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:14:33,160 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:14:33,160 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:14:36,971 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:14:36,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (233)] Ended with exit code 0 [2024-12-06 03:14:36,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:14:36,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:14:36,977 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:14:36,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:14:36,977 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:14:36,977 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:14:36,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:14:36,979 INFO L229 MonitoredProcess]: Starting monitored process 234 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:14:36,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (234)] Waiting until timeout for monitored process [2024-12-06 03:14:37,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:14:37,145 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:14:37,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:14:37,188 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:14:37,188 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:14:40,823 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:14:40,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (234)] Ended with exit code 0 [2024-12-06 03:14:40,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:14:40,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:14:40,829 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:14:40,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:14:40,829 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:14:40,829 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:14:40,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:14:40,831 INFO L229 MonitoredProcess]: Starting monitored process 235 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:14:40,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (235)] Waiting until timeout for monitored process [2024-12-06 03:14:41,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:14:41,018 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:14:41,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:14:41,049 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:14:41,050 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:14:43,554 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:14:43,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (235)] Ended with exit code 0 [2024-12-06 03:14:43,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:14:43,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:14:43,563 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:14:43,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:14:43,563 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:14:43,563 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:14:43,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:14:43,564 INFO L229 MonitoredProcess]: Starting monitored process 236 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:14:43,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (236)] Waiting until timeout for monitored process [2024-12-06 03:14:43,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:14:43,730 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:14:43,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:14:43,751 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:14:43,751 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:14:46,311 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:14:46,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (236)] Ended with exit code 0 [2024-12-06 03:14:46,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:14:46,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:14:46,321 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:14:46,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:14:46,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:14:46,321 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:14:46,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:14:46,322 INFO L229 MonitoredProcess]: Starting monitored process 237 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:14:46,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (237)] Waiting until timeout for monitored process [2024-12-06 03:14:46,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:14:46,497 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:14:46,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:14:46,527 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:14:46,527 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:14:50,093 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:14:50,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (237)] Ended with exit code 0 [2024-12-06 03:14:50,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:14:50,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:14:50,099 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:14:50,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:14:50,099 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:14:50,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:14:50,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:14:50,100 INFO L229 MonitoredProcess]: Starting monitored process 238 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:14:50,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (238)] Waiting until timeout for monitored process [2024-12-06 03:14:50,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:14:50,273 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:14:50,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:14:50,301 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:14:50,302 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:14:53,952 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:14:53,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (238)] Ended with exit code 0 [2024-12-06 03:14:53,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:14:53,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:14:53,958 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:14:53,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:14:53,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:14:53,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:14:53,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:14:53,959 INFO L229 MonitoredProcess]: Starting monitored process 239 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:14:53,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (239)] Waiting until timeout for monitored process [2024-12-06 03:14:54,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:14:54,134 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:14:54,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:14:54,156 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:14:54,156 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:14:56,789 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:14:56,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (239)] Ended with exit code 0 [2024-12-06 03:14:56,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:14:56,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:14:56,800 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:14:56,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:14:56,800 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:14:56,800 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:14:56,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:14:56,801 INFO L229 MonitoredProcess]: Starting monitored process 240 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:14:56,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (240)] Waiting until timeout for monitored process [2024-12-06 03:14:56,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:14:56,969 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:14:56,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:14:56,990 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:14:56,991 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:15:00,572 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:15:00,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (240)] Ended with exit code 0 [2024-12-06 03:15:00,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:00,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:15:00,578 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:15:00,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:15:00,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:00,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:15:00,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:15:00,579 INFO L229 MonitoredProcess]: Starting monitored process 241 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:15:00,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (241)] Waiting until timeout for monitored process [2024-12-06 03:15:00,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:00,749 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:15:00,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:00,778 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:15:00,779 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:15:03,305 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:15:03,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (241)] Forceful destruction successful, exit code 0 [2024-12-06 03:15:03,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:03,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:15:03,315 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:15:03,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:15:03,315 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:03,315 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:15:03,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:15:03,316 INFO L229 MonitoredProcess]: Starting monitored process 242 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:15:03,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (242)] Waiting until timeout for monitored process [2024-12-06 03:15:03,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:03,484 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:15:03,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:03,509 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:15:03,509 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:15:07,191 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:15:07,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (242)] Ended with exit code 0 [2024-12-06 03:15:07,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:07,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:15:07,196 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:15:07,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:15:07,197 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:07,197 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:15:07,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:15:07,198 INFO L229 MonitoredProcess]: Starting monitored process 243 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:15:07,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (243)] Waiting until timeout for monitored process [2024-12-06 03:15:07,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:07,374 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:15:07,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:07,401 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:15:07,402 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:15:09,894 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:15:09,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (243)] Ended with exit code 0 [2024-12-06 03:15:09,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:09,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:15:09,903 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:15:09,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:15:09,903 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:09,903 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:15:09,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:15:09,904 INFO L229 MonitoredProcess]: Starting monitored process 244 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:15:09,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (244)] Waiting until timeout for monitored process [2024-12-06 03:15:10,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:10,073 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:15:10,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:10,094 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:15:10,095 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:15:12,755 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:15:12,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (244)] Forceful destruction successful, exit code 0 [2024-12-06 03:15:12,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:12,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:15:12,765 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:15:12,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:15:12,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:12,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:15:12,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:15:12,766 INFO L229 MonitoredProcess]: Starting monitored process 245 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:15:12,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (245)] Waiting until timeout for monitored process [2024-12-06 03:15:12,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:12,942 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:15:12,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:12,965 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:15:12,965 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:15:15,521 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:15:15,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (245)] Ended with exit code 0 [2024-12-06 03:15:15,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:15,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:15:15,527 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:15:15,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:15:15,528 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:15,528 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:15:15,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:15:15,529 INFO L229 MonitoredProcess]: Starting monitored process 246 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:15:15,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (246)] Waiting until timeout for monitored process [2024-12-06 03:15:15,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:15,706 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:15:15,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:15,730 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:15:15,731 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:15:18,252 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:15:18,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (246)] Ended with exit code 0 [2024-12-06 03:15:18,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:18,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:15:18,258 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:15:18,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:15:18,258 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:18,259 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:15:18,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:15:18,260 INFO L229 MonitoredProcess]: Starting monitored process 247 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:15:18,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (247)] Waiting until timeout for monitored process [2024-12-06 03:15:18,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:18,436 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:15:18,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:18,457 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:15:18,458 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:15:20,926 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:15:20,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (247)] Ended with exit code 0 [2024-12-06 03:15:20,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:20,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:15:20,932 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:15:20,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:15:20,932 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:20,932 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:15:20,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:15:20,934 INFO L229 MonitoredProcess]: Starting monitored process 248 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:15:20,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (248)] Waiting until timeout for monitored process [2024-12-06 03:15:21,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:21,106 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:15:21,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:21,130 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:15:21,131 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:15:23,730 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:15:23,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (248)] Ended with exit code 0 [2024-12-06 03:15:23,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:23,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:15:23,736 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:15:23,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:15:23,737 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:23,737 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:15:23,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:15:23,738 INFO L229 MonitoredProcess]: Starting monitored process 249 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:15:23,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (249)] Waiting until timeout for monitored process [2024-12-06 03:15:23,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:23,914 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:15:23,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:23,937 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:15:23,937 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:15:26,503 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:15:26,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (249)] Ended with exit code 0 [2024-12-06 03:15:26,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:26,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:15:26,509 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:15:26,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:15:26,509 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:26,509 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:15:26,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:15:26,511 INFO L229 MonitoredProcess]: Starting monitored process 250 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:15:26,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (250)] Waiting until timeout for monitored process [2024-12-06 03:15:26,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:26,676 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:15:26,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:26,721 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:15:26,722 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:15:30,238 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:15:30,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (250)] Forceful destruction successful, exit code 0 [2024-12-06 03:15:30,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:30,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:15:30,244 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:15:30,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:15:30,244 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:30,244 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:15:30,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:15:30,245 INFO L229 MonitoredProcess]: Starting monitored process 251 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:15:30,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (251)] Waiting until timeout for monitored process [2024-12-06 03:15:30,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:30,413 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:15:30,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:30,440 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:15:30,441 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:15:33,082 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:15:33,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (251)] Ended with exit code 0 [2024-12-06 03:15:33,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:33,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:15:33,089 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:15:33,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:15:33,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:33,089 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:15:33,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:15:33,090 INFO L229 MonitoredProcess]: Starting monitored process 252 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:15:33,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (252)] Waiting until timeout for monitored process [2024-12-06 03:15:33,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:33,257 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:15:33,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:33,281 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:15:33,282 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:15:37,057 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:15:37,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (252)] Ended with exit code 0 [2024-12-06 03:15:37,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:37,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:15:37,063 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:15:37,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:15:37,063 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:37,063 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:15:37,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:15:37,064 INFO L229 MonitoredProcess]: Starting monitored process 253 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:15:37,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (253)] Waiting until timeout for monitored process [2024-12-06 03:15:37,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:37,239 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:15:37,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:37,267 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:15:37,267 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:15:39,843 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:15:39,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (253)] Ended with exit code 0 [2024-12-06 03:15:39,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:39,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:15:39,852 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:15:39,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:15:39,852 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:39,852 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:15:39,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:15:39,854 INFO L229 MonitoredProcess]: Starting monitored process 254 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:15:39,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (254)] Waiting until timeout for monitored process [2024-12-06 03:15:40,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:40,026 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:15:40,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:40,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:15:40,051 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:15:42,644 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:15:42,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (254)] Ended with exit code 0 [2024-12-06 03:15:42,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:42,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:15:42,653 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:15:42,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:15:42,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:42,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:15:42,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:15:42,654 INFO L229 MonitoredProcess]: Starting monitored process 255 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:15:42,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (255)] Waiting until timeout for monitored process [2024-12-06 03:15:42,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:42,830 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:15:42,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:42,858 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:15:42,859 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:15:45,516 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:15:45,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (255)] Ended with exit code 0 [2024-12-06 03:15:45,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:45,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:15:45,525 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:15:45,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:15:45,525 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:45,525 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:15:45,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:15:45,526 INFO L229 MonitoredProcess]: Starting monitored process 256 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:15:45,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (256)] Waiting until timeout for monitored process [2024-12-06 03:15:45,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:45,703 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:15:45,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:45,739 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:15:45,739 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:15:48,268 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:15:48,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (256)] Ended with exit code 0 [2024-12-06 03:15:48,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:48,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:15:48,277 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:15:48,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:15:48,277 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:48,277 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:15:48,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:15:48,279 INFO L229 MonitoredProcess]: Starting monitored process 257 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:15:48,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (257)] Waiting until timeout for monitored process [2024-12-06 03:15:48,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:48,466 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:15:48,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:48,489 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:15:48,490 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:15:50,938 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:15:50,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (257)] Ended with exit code 0 [2024-12-06 03:15:50,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:50,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:15:50,949 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:15:50,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:15:50,949 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:50,949 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:15:50,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:15:50,951 INFO L229 MonitoredProcess]: Starting monitored process 258 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:15:50,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (258)] Waiting until timeout for monitored process [2024-12-06 03:15:51,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:51,130 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:15:51,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:51,156 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:15:51,157 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:15:53,819 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:15:53,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (258)] Forceful destruction successful, exit code 0 [2024-12-06 03:15:53,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:53,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:15:53,829 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:15:53,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:15:53,829 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:53,829 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:15:53,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:15:53,830 INFO L229 MonitoredProcess]: Starting monitored process 259 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:15:53,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (259)] Waiting until timeout for monitored process [2024-12-06 03:15:54,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:54,002 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:15:54,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:54,022 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:15:54,022 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:15:56,716 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:15:56,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (259)] Ended with exit code 0 [2024-12-06 03:15:56,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:56,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:15:56,726 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:15:56,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:15:56,726 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:56,726 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:15:56,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:15:56,727 INFO L229 MonitoredProcess]: Starting monitored process 260 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:15:56,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (260)] Waiting until timeout for monitored process [2024-12-06 03:15:56,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:56,894 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:15:56,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:56,919 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:15:56,920 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:16:00,380 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:16:00,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (260)] Ended with exit code 0 [2024-12-06 03:16:00,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:16:00,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:16:00,387 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:16:00,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:16:00,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:16:00,387 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:16:00,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:16:00,388 INFO L229 MonitoredProcess]: Starting monitored process 261 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:16:00,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (261)] Waiting until timeout for monitored process [2024-12-06 03:16:00,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:16:00,562 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:16:00,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:16:00,593 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:16:00,593 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:16:03,212 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:16:03,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (261)] Ended with exit code 0 [2024-12-06 03:16:03,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:16:03,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:16:03,222 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:16:03,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:16:03,222 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:16:03,222 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:16:03,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:16:03,223 INFO L229 MonitoredProcess]: Starting monitored process 262 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:16:03,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (262)] Waiting until timeout for monitored process [2024-12-06 03:16:03,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:16:03,391 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:16:03,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:16:03,436 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:16:03,437 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:16:05,937 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:16:05,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (262)] Ended with exit code 0 [2024-12-06 03:16:05,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:16:05,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:16:05,946 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:16:05,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:16:05,946 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:16:05,946 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:16:05,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:16:05,947 INFO L229 MonitoredProcess]: Starting monitored process 263 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:16:05,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (263)] Waiting until timeout for monitored process [2024-12-06 03:16:06,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:16:06,115 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:16:06,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:16:06,135 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:16:06,136 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:16:09,783 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:16:09,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (263)] Ended with exit code 0 [2024-12-06 03:16:09,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:16:09,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:16:09,789 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:16:09,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:16:09,789 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:16:09,789 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:16:09,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:16:09,790 INFO L229 MonitoredProcess]: Starting monitored process 264 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:16:09,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (264)] Waiting until timeout for monitored process [2024-12-06 03:16:09,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:16:09,957 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:16:09,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:16:09,977 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:16:09,978 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:16:12,531 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:16:12,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (264)] Ended with exit code 0 [2024-12-06 03:16:12,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:16:12,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:16:12,540 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:16:12,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:16:12,540 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:16:12,540 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:16:12,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:16:12,542 INFO L229 MonitoredProcess]: Starting monitored process 265 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:16:12,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (265)] Waiting until timeout for monitored process [2024-12-06 03:16:12,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:16:12,728 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:16:12,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:16:12,751 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:16:12,752 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:16:15,261 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:16:15,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (265)] Ended with exit code 0 [2024-12-06 03:16:15,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:16:15,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:16:15,271 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:16:15,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:16:15,271 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:16:15,271 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:16:15,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:16:15,272 INFO L229 MonitoredProcess]: Starting monitored process 266 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:16:15,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (266)] Waiting until timeout for monitored process [2024-12-06 03:16:15,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:16:15,439 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:16:15,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:16:15,485 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:16:15,486 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:16:17,995 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:16:17,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (266)] Ended with exit code 0 [2024-12-06 03:16:18,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:16:18,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:16:18,003 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:16:18,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:16:18,004 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:16:18,004 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:16:18,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:16:18,005 INFO L229 MonitoredProcess]: Starting monitored process 267 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:16:18,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (267)] Waiting until timeout for monitored process [2024-12-06 03:16:18,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:16:18,176 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:16:18,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:16:18,202 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:16:18,202 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:16:20,691 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:16:20,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (267)] Ended with exit code 0 [2024-12-06 03:16:20,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:16:20,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:16:20,699 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:16:20,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:16:20,699 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:16:20,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:16:20,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:16:20,701 INFO L229 MonitoredProcess]: Starting monitored process 268 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:16:20,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (268)] Waiting until timeout for monitored process [2024-12-06 03:16:20,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:16:20,872 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:16:20,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:16:20,891 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:16:20,892 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:16:23,350 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:16:23,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (268)] Ended with exit code 0 [2024-12-06 03:16:23,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:16:23,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:16:23,360 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:16:23,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:16:23,360 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:16:23,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:16:23,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:16:23,361 INFO L229 MonitoredProcess]: Starting monitored process 269 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:16:23,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (269)] Waiting until timeout for monitored process [2024-12-06 03:16:23,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:16:23,526 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:16:23,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:16:23,551 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:16:23,552 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:16:26,072 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:16:26,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (269)] Ended with exit code 0 [2024-12-06 03:16:26,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:16:26,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:16:26,089 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:16:26,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:16:26,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:16:26,089 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:16:26,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:16:26,090 INFO L229 MonitoredProcess]: Starting monitored process 270 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:16:26,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (270)] Waiting until timeout for monitored process [2024-12-06 03:16:26,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:16:26,261 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:16:26,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:16:26,291 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:16:26,291 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:16:28,771 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:16:28,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (270)] Forceful destruction successful, exit code 0 [2024-12-06 03:16:28,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:16:28,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:16:28,777 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:16:28,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:16:28,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:16:28,777 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:16:28,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:16:28,778 INFO L229 MonitoredProcess]: Starting monitored process 271 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:16:28,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (271)] Waiting until timeout for monitored process [2024-12-06 03:16:28,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:16:28,955 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:16:28,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:16:28,983 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:16:28,984 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:16:32,483 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:16:32,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (271)] Ended with exit code 0 [2024-12-06 03:16:32,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:16:32,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:16:32,489 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:16:32,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:16:32,489 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:16:32,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:16:32,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:16:32,490 INFO L229 MonitoredProcess]: Starting monitored process 272 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:16:32,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (272)] Waiting until timeout for monitored process [2024-12-06 03:16:32,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:16:32,679 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:16:32,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:16:32,706 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:16:32,707 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:16:35,161 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:16:35,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (272)] Ended with exit code 0 [2024-12-06 03:16:35,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:16:35,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:16:35,167 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:16:35,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:16:35,168 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:16:35,168 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:16:35,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:16:35,169 INFO L229 MonitoredProcess]: Starting monitored process 273 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:16:35,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (273)] Waiting until timeout for monitored process [2024-12-06 03:16:35,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:16:35,335 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:16:35,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:16:35,357 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:16:35,358 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:16:37,948 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:16:37,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (273)] Ended with exit code 0 [2024-12-06 03:16:37,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:16:37,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:16:37,955 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:16:37,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:16:37,955 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:16:37,955 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:16:37,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:16:37,957 INFO L229 MonitoredProcess]: Starting monitored process 274 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:16:37,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (274)] Waiting until timeout for monitored process [2024-12-06 03:16:38,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:16:38,152 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:16:38,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:16:38,182 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:16:38,183 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:16:41,667 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:16:41,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (274)] Ended with exit code 0 [2024-12-06 03:16:41,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:16:41,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:16:41,674 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:16:41,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:16:41,674 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:16:41,674 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:16:41,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:16:41,675 INFO L229 MonitoredProcess]: Starting monitored process 275 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:16:41,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (275)] Waiting until timeout for monitored process [2024-12-06 03:16:41,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:16:41,844 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:16:41,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:16:41,869 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:16:41,869 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:16:44,377 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:16:44,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (275)] Forceful destruction successful, exit code 0 [2024-12-06 03:16:44,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:16:44,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:16:44,382 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:16:44,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:16:44,383 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:16:44,383 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:16:44,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:16:44,384 INFO L229 MonitoredProcess]: Starting monitored process 276 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:16:44,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (276)] Waiting until timeout for monitored process [2024-12-06 03:16:44,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:16:44,558 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:16:44,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:16:44,580 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:16:44,581 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:16:46,969 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:16:46,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (276)] Ended with exit code 0 [2024-12-06 03:16:46,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:16:46,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:16:46,976 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:16:46,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:16:46,976 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:16:46,976 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:16:46,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:16:46,977 INFO L229 MonitoredProcess]: Starting monitored process 277 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:16:46,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (277)] Waiting until timeout for monitored process [2024-12-06 03:16:47,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:16:47,165 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:16:47,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:16:47,192 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:16:47,193 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:16:49,777 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:16:49,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (277)] Ended with exit code 0 [2024-12-06 03:16:49,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:16:49,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:16:49,783 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:16:49,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:16:49,784 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:16:49,784 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:16:49,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:16:49,785 INFO L229 MonitoredProcess]: Starting monitored process 278 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:16:49,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (278)] Waiting until timeout for monitored process [2024-12-06 03:16:49,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:16:49,961 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:16:50,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:16:50,004 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:16:50,005 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:16:53,542 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:16:53,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (278)] Ended with exit code 0 [2024-12-06 03:16:53,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:16:53,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:16:53,548 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:16:53,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:16:53,548 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:16:53,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:16:53,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:16:53,550 INFO L229 MonitoredProcess]: Starting monitored process 279 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:16:53,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (279)] Waiting until timeout for monitored process [2024-12-06 03:16:53,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:16:53,723 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:16:53,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:16:53,749 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:16:53,750 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:16:56,260 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:16:56,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (279)] Ended with exit code 0 [2024-12-06 03:16:56,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:16:56,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:16:56,266 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:16:56,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:16:56,266 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:16:56,266 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:16:56,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:16:56,268 INFO L229 MonitoredProcess]: Starting monitored process 280 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:16:56,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (280)] Waiting until timeout for monitored process [2024-12-06 03:16:56,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:16:56,438 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:16:56,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:16:56,462 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:16:56,463 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:16:59,046 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:16:59,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (280)] Forceful destruction successful, exit code 0 [2024-12-06 03:16:59,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:16:59,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:16:59,053 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:16:59,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:16:59,053 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:16:59,053 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:16:59,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:16:59,054 INFO L229 MonitoredProcess]: Starting monitored process 281 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:16:59,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (281)] Waiting until timeout for monitored process [2024-12-06 03:16:59,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:16:59,229 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:16:59,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:16:59,257 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:16:59,257 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:17:01,777 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:17:01,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (281)] Ended with exit code 0 [2024-12-06 03:17:01,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:17:01,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:17:01,784 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:17:01,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:17:01,784 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:17:01,784 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:17:01,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:17:01,785 INFO L229 MonitoredProcess]: Starting monitored process 282 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:17:01,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (282)] Waiting until timeout for monitored process [2024-12-06 03:17:01,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:17:01,953 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:17:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:17:01,990 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:17:01,991 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:17:05,505 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:17:05,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (282)] Ended with exit code 0 [2024-12-06 03:17:05,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:17:05,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:17:05,511 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:17:05,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:17:05,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:17:05,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:17:05,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:17:05,513 INFO L229 MonitoredProcess]: Starting monitored process 283 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:17:05,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (283)] Waiting until timeout for monitored process [2024-12-06 03:17:05,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:17:05,679 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:17:05,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:17:05,702 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:17:05,702 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:17:08,136 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:17:08,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (283)] Ended with exit code 0 [2024-12-06 03:17:08,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:17:08,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:17:08,142 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:17:08,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:17:08,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:17:08,142 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:17:08,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:17:08,143 INFO L229 MonitoredProcess]: Starting monitored process 284 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:17:08,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (284)] Waiting until timeout for monitored process [2024-12-06 03:17:08,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:17:08,311 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:17:08,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:17:08,337 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:17:08,338 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:17:11,857 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:17:11,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (284)] Ended with exit code 0 [2024-12-06 03:17:11,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:17:11,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:17:11,863 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:17:11,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:17:11,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:17:11,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:17:11,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:17:11,865 INFO L229 MonitoredProcess]: Starting monitored process 285 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:17:11,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (285)] Waiting until timeout for monitored process [2024-12-06 03:17:12,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:17:12,039 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:17:12,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:17:12,058 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:17:12,058 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:17:14,550 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:17:14,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (285)] Ended with exit code 0 [2024-12-06 03:17:14,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:17:14,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:17:14,556 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:17:14,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:17:14,556 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:17:14,556 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:17:14,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:17:14,558 INFO L229 MonitoredProcess]: Starting monitored process 286 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:17:14,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (286)] Waiting until timeout for monitored process [2024-12-06 03:17:14,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:17:14,732 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:17:14,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:17:14,756 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:17:14,757 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:17:18,362 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:17:18,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (286)] Ended with exit code 0 [2024-12-06 03:17:18,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:17:18,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:17:18,367 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:17:18,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:17:18,368 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:17:18,368 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:17:18,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:17:18,369 INFO L229 MonitoredProcess]: Starting monitored process 287 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:17:18,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (287)] Waiting until timeout for monitored process [2024-12-06 03:17:18,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:17:18,540 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:17:18,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:17:18,566 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:17:18,566 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:17:21,057 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 03:17:21,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (287)] Ended with exit code 0 [2024-12-06 03:17:21,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:17:21,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-12-06 03:17:21,064 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 03:17:21,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:17:21,064 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:17:21,064 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:17:21,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:17:21,065 INFO L229 MonitoredProcess]: Starting monitored process 288 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:17:21,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ecfd0-1c1a-4b0c-be9f-73396c00260e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (288)] Waiting until timeout for monitored process [2024-12-06 03:17:21,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:17:21,231 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:17:21,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:17:21,259 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:17:21,260 INFO L279 TraceCheckSpWp]: Computing forward predicates...